The Nansen/Birkeland Symposium : 10-11 October 1990.
Oslo : Norske videnskaps-akademie,
[1990?]
Nansen, Fridtjof, 1861-1930.
Birkeland, Kr. (Kristian), 1867-1917.
Space sciences
Magnetic storms
Magnetospheric currents
Plasma instabilities