1. Aarsnes, K. and Amundsen, R.: 1972, ‘North/South Asymmetric Entry of Solar Protons during the November 18, 1968 Event’, Planet Space Sci.
20, 1835.
2. Akasofu, S.-I.: 1960, ‘Large-Scale Auroral Motions and Polar Magnetic Disturbance at about 1100 hours on 23 September 1957’, J. Atmospheric Terrestr. Phys.
19, 10.
3. Akasofu, S.-I.: 1966, ‘The Auroral Oval, the Auroral Substorm and their Relations with the Internal Structure of the Magnetosphere’, Planet. Space Sci.
14, 587.
4. Akasofu, S.-I.: 1974a, ‘A Study of Auroral Displays Photographed from the DMSP-2 Satellite and from the Alaska Meridian Chain of Stations’, Space Sci. Rev.
16, 617.
5. Akasofu, S.-I.: 1974b, ‘The Aurora and the Magnetosphere: The Chapman Memorial Lecture’, Planet. Space Sci.
22, 885.