Lindis Merete,
                                        Y.,
                                        Unni Pia,
                                        Dag Arne,
                                        Spencer Mark,
                                        Kjellmar
                                    :
                                
                            
                            Electron Density Depletion Region Observed in the Polar Cap Ionosphere
                            
                            
                        
                        
                            
                                
                                        Léo,
                                        Jean,
                                        Nicolas,
                                        Sylvain,
                                        Alain,
                                        Stephane
                                    et al.:
                                
                            
                            On the nightglow polarisation for space weather exploration
                            Journal of Space Weather and Space Climate 28. Juli 2020 
DOI / 
ARKIV
                                        Lindis Merete,
                                        Y,
                                        Chris,
                                        Michael T,
                                        Unni Pia,
                                        Cesar La
                                    et al.:
                                
                            
                            Long-term variations and trends in the polar E-region
                            Journal of Atmospheric and Solar-Terrestrial Physics 2017 
DOI
                                        Lindis Merete,
                                        Vasyl,
                                        Unni Pia,
                                        Cesar La
                                    :
                                
                            
                            An evaluation of International Reference Ionosphere electron density in the polar cap and cusp using EISCAT Svalbard radar measurements
                            
                            
                        
                        
                            
                                
                                        Inge,
                                        Magnar Gullikstad,
                                        Unni Pia
                                    :
                                
                            
                            Effects of substorm electrojet on declination along concurrent geomagnetic latitudes in the northern auroral zone
                            Journal of Space Weather and Space Climate 2016 
DOI / 
ARKIV
                                        J.,
                                        V.,
                                        M,
                                        Herve,
                                        D,
                                        Jøran Idar
                                    et al.:
                                
                            
                            The auroral red line polarisation: modelling and measurements
                            Journal of Space Weather and Space Climate 2015 
DOI / 
ARKIV
                                        Ian R.,
                                        David M.,
                                        David,
                                        David J.,
                                        Kathryn A.,
                                        Kolbein
                                    et al.:
                                
                            
                            The Canada-Norway Rocket Science Training and Educational Program (CaNoRock STEP)
                            Proceedings of the International Astronautical Congress 2014 
                            
                        
                        
                            
                                
                                        Inge,
                                        Magnar Gullikstad,
                                        Truls Lynne,
                                        Unni Pia,
                                        Jürgen
                                    :
                                
                            
                            Improving the Accuracy and Reliabilityof MWD/Magnetic-Wellbore-DirectionalSurveying in the Barents Sea
                            SPE Drilling & Completion 2014 
DOI
                                        Inge,
                                        Erik,
                                        Magnar Gullikstad,
                                        Truls Lynne,
                                        Unni Pia,
                                        Jürgen
                                    :
                                
                            
                            Improving the Accuracy and Reliability of MWD Magnetic Wellbore Directional Surveying in the Barents Sea
                            
                            
                        
                        
                            
                                
                                        Magnar Gullikstad,
                                        Dag Arne,
                                        Jeffrey Morgan,
                                        Unni Pia
                                    :
                                
                            
                            A model based method for obtaining the open/closed field line boundary from the cusp auroral 6300 angstrom[OI] red line
                            Journal of Geophysical Research (JGR): Space Physics 2012 
DOI
                                        June,
                                        Unni Pia,
                                        Björn Johan
                                    :
                                
                            
                            Particle precipitation during NEIAL events: simultaneous ground based nighttime observations at Svalbard
                            Annales Geophysicae 04. Mai 2009 
DOI / 
ARKIV
                                        June,
                                        B,
                                        U.P.,
                                        Dag Arne,
                                        Y,
                                        Yasunobu
                                    :
                                
                            
                            Particle precipitations during NEIAL events: simultaneous ground based observations at Svalbard
                            
                            
                        
                        
                            
                                
                                        Arve,
                                        Johan,
                                        Nikolai,
                                        G. A.,
                                        Kjellmar,
                                        Richard R.
                                    et al.:
                                
                            
                            Height profiles of the ionospheric electron density derived using space-based remote sensing of UV and X ray emissions and EISCAT radar data: A ground-truth experiment
                            Journal of Geophysical Research (JGR) 2006 
                            
                        
                        
                            
                                
                                        Anja,
                                        Vasyl,
                                        Tom,
                                        Cesar La,
                                        Unni Pia,
                                        Brett Cameron
                                    :
                                
                            
                            Evidence of Naturally Occurring Wave-Wave Interactions in the Polar Ionosphere and its Relation to Naturally Enhanced Ion Acoustic Lines
                            Geophysical Research Letters 2005 
DOI
                                        Erik Mårten,
                                        Tom,
                                        N,
                                        Tor,
                                        Cesar La,
                                        b. s.
                                    et al.:
                                
                            
                            Dynamic rayed aurora and enhanced ion-acoustic radar echoes
                            
                            
                        
                        
                            
                                
                                        Tom,
                                        Erik Mårten,
                                        Unni Pia,
                                        Tor,
                                        Cesar La,
                                        Trond S.
                                    :
                                
                            
                            Interferometric radar observations of filamented structures due to plasma instabilities and their relation to dynamic auroral rays
                            
                            
                        
                        
                            
                                
                                        M,
                                        J,
                                        D,
                                        S,
                                        Unni Pia,
                                        D
                                    et al.:
                                
                            
                            Spectral imaging of proton aurora and twilight at Tromso, Norway
                            Journal of Geophysical Research (JGR) 2004 
                            
                        
                        
                            
                                
                                        Unni Pia,
                                        Tor,
                                        Anthony P van
                                    :
                                
                            
                            Search for Light Ion Outflow by Incoherent Scatter Radar
                            Radio Science Bulletin 2001 
                            
                        
                        
                            
                                
                                        Unni Pia
                                    :
                                
                            
                            High Latitude Studies and Upper Atmospheric Processes including Climate Change
                            Advances in Space Research 2001 
                            
                        
                        
                            
                                
                                        Unni Pia
                                    :
                                
                            
                            The Polar Cap Thermosphere/Ionosphere and its role in Solar-Terrestrial Physics
                            Advances in Space Research 1998 
                            
                        
                        
                            
                                
                                        Anthony P van,
                                        Noralv,
                                        Unni Pia,
                                        J.
                                    :
                                
                            
                            EISCAT Svalbard Radar: Interpretation of Non-Maxwellian Spectral Features
                            Annales Geophysicae 1997 
                            
                        
                 
            
                
                        
                            
                                
                                    Kate,
                                    Unni Pia,
                                    Per Pippin,
                                    Magnar Gullikstad,
                                    Bente,
                                    Per helge
                                    :
                                
                            
                            Nordlyset hjemme – Nordlysvitenskap og UiT i 100 år
                             2018 
                        
                        
                            
                                
                                    Vasyl,
                                    N.M.,
                                    Cesar La,
                                    Unni Pia,
                                    Asgeir
                                    :
                                
                            
                            Interferometric radar imaging on Svalbard
                             2013 
                        
                        
                            
                                
                                    Vasyl,
                                    Cesar La,
                                    Asgeir,
                                    Hannah,
                                    Unni Pia
                                    :
                                
                            
                            EISCAT Aperture Synthesis Interferometer (EASI) as a test ground for the EISCAT_3D radar
                             2012 
                        
                        
                            
                                
                                    Magnar Gullikstad,
                                    Jeffrey Morgan,
                                    Unni Pia,
                                    Dag Arne,
                                    Anja
                                    :
                                
                            
                            A multi radar study of global polar cap patch dynamics and morphology
                             2010 
                        
                        
                            
                                
                                    June,
                                    Unni Pia,
                                    Björn Johan
                                    :
                                
                            
                            Particle precipitation during NEIAL events: simultaneously ground based nighttime observations at Svalbard
                             2008 
                        
                        
                            
                                
                                    Magnar Gullikstad,
                                    Unni Pia,
                                    Dag Arne,
                                    Jøran Idar
                                    :
                                
                            
                            On the location of the dayside polar cap boundary - comparison of techniques using optics and incoherent scatter radar
                             2008 
                        
                        
                            
                                
                                    Magnar Gullikstad,
                                    Unni Pia,
                                    Dag Arne,
                                    Jøran Idar
                                    :
                                
                            
                            Om bestemmelsen av den ionosfæriske polkallottens grense på jordens dagside
                             2008 
                        
                        
                            
                                
                                    Magnar Gullikstad,
                                    Unni Pia,
                                    Dag Arne,
                                    Jøran
                                    :
                                
                            
                            On the location of the dayside polar cap boundary - comparison of techniques using optics and incoherent scatter radar
                             2008 
                        
                        
                            
                                
                                    June,
                                    Bjørn Johan,
                                    Unni Pia,
                                    Dag Arne,
                                    Yasunobu
                                    :
                                
                            
                            Particle precipitation during NEIAL events: simultaneous ground based observations at Svalbard
                             2007 
                        
                        
                            
                                
                                    June,
                                    Erik Mårten,
                                    Bjørn Johan,
                                    Unni Pia,
                                    Dag Arne,
                                    Yasunobu
                                    :
                                
                            
                            High energy particle precipitation in relation to Naturally Enhanced Ion Acoustic Lines
                             2006 
                        
                        
                            
                                
                                    June,
                                    Bjørn Johan,
                                    Unni Pia,
                                    Dag Arne,
                                    Yasunobu
                                    :
                                
                            
                            One hour of Natural Enhanced Ion Acoustic Lines in the Cleft/Cusp: A Multi-Instrumented Study
                             2006 
                        
                        
                            
                                
                                    Tom,
                                    Erik Mårten,
                                    Cesar La,
                                    Unni Pia,
                                    Tor,
                                    Anja
                                    et al.:
                                
                            
                            Optical and Interferometric Radar Observations of auroral fine structure
                             2006 
                        
                        
                            
                                
                                    Arve,
                                    Johan,
                                    Nikolai,
                                    G.A.,
                                    R.R.,
                                    K.
                                    et al.:
                                
                            
                            Ionospheric global conductance maps from remote sensing of UV and X-ray emissions
                             2005 
                        
                        
                            
                                
                                    Arve,
                                    Johan,
                                    Asgeir,
                                    Nikolai,
                                    G.A.,
                                    R.R.
                                    et al.:
                                
                            
                            Height profiles of the ionospheric electron density derived from remote sensing of UV- and X-ray emissions and measured by EISCAT radar
                             2005 
                        
                        
                            
                                
                                    Arve,
                                    Johan,
                                    Nikolai,
                                    Glynn,
                                    Kjellmar,
                                    Richard R.
                                    et al.:
                                
                            
                            Height profiles of the ionospheric electron density derived from remote sensing of UV and X-ray emissions and measurements by the EISCAT radar: A comparison
                             2005 
                        
                        
                            
                                
                                    Arve,
                                    Johan,
                                    Asgeir,
                                    Nikolai,
                                    Glynn A.,
                                    Richard R.
                                    et al.:
                                
                            
                            Comparing height profiles of the ionospheric electron density derived from remote sensing of UV- and X-ray emissions and from EISCAT radar data
                             2004 
                        
                        
                            
                                
                                    Anja,
                                    Vasyl,
                                    Tom,
                                    Cesar La,
                                    Unni Pia,
                                    Brett Cameron
                                    :
                                
                            
                            Evidence of naturally occurring wave-wave interactions in the polar ionosphere and its relation to naturally enhanced ion-acoustic lines
                             2004 
                        
                        
                            
                                
                                    Erik Mårten,
                                    Tom,
                                    Unni Pia,
                                    Tor,
                                    Cesar La,
                                    Trond
                                    :
                                
                            
                            High resolution observations of naturally enhanced ion-acoustic echoes and their relation to aurora
                            
                        
                        
                            
                                
                                    Brett Cameron,
                                    Vasyl,
                                    Tom,
                                    Cesar La,
                                    Erik Mårten,
                                    Unni Pia
                                    et al.:
                                
                            
                            Observations of Langmuir Waves in the High-Latitude Winter Auroral Ionosphere
                            
                        
                        
                            
                                
                                    Unni Pia
                                    :
                                
                            
                            Ion outflow as observed by the EISCAT radars
                             2001 
                        
                        
                            
                                
                                    Unni Pia,
                                    Anthony P van,
                                    P. E.,
                                    W. F.
                                    :
                                
                            
                            Long-period pulsed ionospheric flows observed with the EISCAT Svalbard Radar
                             2001 
                        
                        
                            
                                
                                    Anja,
                                    Unni Pia,
                                    Noralv,
                                    Patrick
                                    :
                                
                            
                            Anomalous inherent scatter spectra and ion outflow observed with the EISCAT Svalbard radar
                             1999 
                        
                        
                            
                                
                                    Unni Pia,
                                    Anthony P van,
                                    Tor
                                    :
                                
                            
                            Differential Ion Velocities in the Topside Ionosphere Observed with the EISCAT VHF Radar
                             1997 
                        
                        
                            
                                
                                    Unni Pia,
                                    Anthony P van,
                                    Tor
                                    :
                                
                            
                            Differential Ion Velocities in the Topside Ionosphere Observed with the EISCAT VHF Radar
                             1997 
                        
                        
                            
                                
                                    G.,
                                    F.,
                                    K.,
                                    O.,
                                    Unni Pia
                                    :
                                
                            
                            Observation of Thin Auroral Ionization Layers During a Pulsating Aurora Event
                             1996