Haldoupis, C. I.; Nielsen, E.: Results on relative scattering cross section of 140 MHz auroral backscatter. Journal Geophysical Research 89, p. 2305 (1984)
Haldoupis, C. I.; Nielsen, E.; Ierkic, H. M.: STARE Doppler spectral studies of westward electrojet radar aurora. Planetary and Space Science 32, p. 1291 (1984)
Nielsen, E.; Haldoupis, C. I.; Fejer, B. G.; Ierkic, H. M.: Dependence of auroral power spectral variations upon electron drift velocity in the eastward electrojet. Journal Geophysical Research 89, pp. 253 - 260 (1984)
Haldoupis, C. I.; Nielsen, E.: Simultaneous geomagnetic and radio auroral observations. Journal of Atmospheric and Terrestrial Physics 45, p. 543 (1983)
Haldoupis, C. I.; Nielsen, E.; Goertz, C.: Experimental evidence on the dependence of 140 MHz radar auroral backscatter characteristics on ionospheric conductivity. Journal Geophysical Research 87, p. 7666 (1982)
Haldoupis, C. I.; Nielsen, E.; Holtet, J. A.; Egeland, A.; Chivers, H. A. J.: Radar auroral observations during a burst of irregular magnetic pulsations. Journal Geophysical Research 87, p. 1541 (1982)
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