STARE observations of an eastward propagating Pc5 pulsation with large azimuthal wavenumberWALKER, A. D. M; NIELSEN, E.Geophysical research letters. 1984, Vol 11, Num 3, pp 259-262, issn 0094-8276Article

Observations of a possible ground signature of flux transfer eventsGOERTZ, C. K; NIELSEN, E; KORTH, A et al.JGR. Journal of geophysical research. Part A, Space physics. 1985, Vol 90, Num 5, pp 4069-4078Article

Simultaneous measurements of the ionospheric electric field by probes and radar methodsGRABOWSKI, R; HANUISE, C; NIELSEN, E et al.Journal of atmospheric and terrestrial physics. 1985, Vol 47, Num 1-3, pp 41-48, issn 0021-9169Article

A DOUBLE-RESONANCE PC 5 PULSATIONNIELSEN E; ALLAN W.1983; JOURNAL OF GEOPHYSICAL RESEARCH; ISSN 0022-1406; USA; DA. 1983; VOL. 88; NO A7; PP. 5760-5764; BIBL. 23 REF.Article

The mean fractional electron density fluctuation amplitude derived from auroral backscatter dataOKSMAN, J; USPENSKY, M. V; STARKOV, G. V et al.Journal of atmospheric and terrestrial physics. 1986, Vol 48, Num 2, pp 107-113, issn 0021-9169Article

Simultaneous observations of Pc 5 pulsations by VHF radars spaced 10 hours in MLTKEYS, J. G.JGR. Journal of geophysical research. Part A, Space physics. 1984, Vol 89, Num 12, pp 10.749-10.755Article

Ground magnetometer detection of a large-M Pc 5 pulsation observed with the Stare radarALLAN, W; POULTER, E. M; GLASSMEIER, K.-H et al.Journal of geophysical research. 1983, Vol 88, Num A1, pp 183-188, issn 0022-1406Article

Polar convection and Birkeland currents during strongly positive IMF B_yZI MIN-YUN; NIELSEN, E; HANSON, W. B et al.JGR. Journal of geophysical research. Part A, Space physics. 1987, Vol 92, Num 4, pp 3417-3422Article

DE 1 observations of type 1 counterstreaming electrons and field-aligned currentsLIN, C. S; SUGIURA, M; BURCH, J. L et al.JGR. Journal of geophysical research. Part A, Space physics. 1984, Vol 89, Num 10, pp 8907-8917Article

Drift anisotropy instability of a finite-β magnetospheric plasmaPOKHOTELOV, O. A; PILIPENKO, V. A; AMATA, E et al.Planetary and space science. 1985, Vol 33, Num 11, pp 1229-1241, issn 0032-0633Article

Observations of sunward propagating waves on the magnetopauseNIELSEN, E.JGR. Journal of geophysical research. Part A, Space physics. 1984, Vol 89, Num 10, pp 9095-9099Article

Excitation of high-β plasma instabilities of the geostationary orbit: theory and observationsPOKHOTELOV, O. A; PILIPENKO, V. A; NEZLINA, YU. M et al.Planetary and space science. 1986, Vol 34, Num 8, pp 695-712, issn 0032-0633Article

Comparison of electric fields measured on GEOS-2 and by the STARE radarSCHMIDT, R; NIELSEN, E; PEDERSEN, A et al.Annales geophysicae (1983). 1985, Vol 3, Num 4, pp 421-428, issn 0755-0685Article

Pc 5 pulsations associated with ring current proton drifts: Stare radar observationsALLAN, W; POULTER, E. M; NIELSEN, E et al.Planetary and space science. 1983, Vol 31, Num 11, pp 1279-1289, issn 0032-0633Article

Interpretation of auroral radar experiments using a kinetic theory of the two-stream instabilitySCHLEGEL, K.Radio science. 1983, Vol 18, Num 1, pp 108-118, issn 0048-6604Article

Doppler spectrum observations of long discrete echoesHALDOUPIS, C; NIELSEN, E.Planetary and space science. 1987, Vol 35, Num 2, pp 153-160, issn 0032-0633Article

Simultaneous observation of monochromatic and variable period geomagnetic pulsationsMCDIARMID, D. R; NIELSEN, E.JGR. Journal of geophysical research. Part D, Atmospheres. 1987, Vol 92, Num 5, pp 4449-4457Article

Coherent radar Doppler measurements and their relationship to the ionospheric electron drift velocityNIELSEN, E; SCHLEGEL, K.JGR. Journal of geophysical research. Part A, Space physics. 1985, Vol 90, Num 4, pp 3498-3504Article

Simultaneous observations of E-region irregularities by ground-based and rocket-borne techniquesDICKINSON, P. H. G; GRABOWSKI, R; HANUISE, C et al.Journal of atmospheric and terrestrial physics. 1985, Vol 47, Num 1-3, pp 265-281, issn 0021-9169Article

Drifting black Aurorae?SCHOUTE-VANNECK, H; SCOURFIELD, M. W. J; NIELSEN, E et al.JGR journal of geophysical research. A: Space physics. 1990, Vol 95, Num 1, pp 241-246, issn 0196-6928, 6 p.Article

Coherent radar observations of a storm sudden commencement having a preliminary reverse impulseMCDIARMID, D. R; NIELSEN, E.JGR. Journal of geophysical research. Part A, Space physics. 1987, Vol 92, Num 1, pp 159-167Article

The spatial component of ionospheric electron flow derived from two-dimensiona drift measurementsSHEN, C.-S; NIELSEN, E.JGR. Journal of geophysical research. Part A, Space physics. 1987, Vol 92, Num 1, pp 305-310Article

Ionospheric conductances: associations between ionospheric E region electric fields and ground magnetometer variationsWILKINSON, P. J; NIELSEN, E; LUHR, H et al.JGR. Journal of geophysical research. Part A, Space physics. 1986, Vol 91, Num 5, pp 5839-5849Article

Spatial and temporal structure of a high-latitude transient ULF pulsationALLAN, W; POULTER, E. M; GLASSMEIER, K.-H et al.Planetary and space science. 1985, Vol 33, Num 2, pp 159-173, issn 0032-0633Article

The August 28, 1978, storm. I: GEOS 2 observations of the initial magnetopause crossings and STARE observations near the ionospheric convection reversalSOFKO, G. J; KORTH, A; KREMSER, G et al.JGR. Journal of geophysical research. Part A, Space physics. 1985, Vol 90, Num 2, pp 1449-1457Article