F. Søraas

Polar 5—an electron accelerator experiment within an aurora. 1. Instrumentation and geophysical conditions

E. V. Thrane, B. Grandal, J. Holtet, 1980 .

Pitch-angle scattering of energetic protons in the magnetotail current sheet as the dominant source of their isotropic precipitation into the nightside ionosphere

V. A. Sergeev, Nikolai A. Tsyganenko, E. Sazhina, 1983 .