1. The boundary of trapped E > 280 keV electrons and electrojets location in the ionosphere;Afonina;Space Invest.,1969
2. The auroral oval, the auroral substorm and their relations with the internal structure of the magnetosphere;Akasofu;Planet. Space Sci.,1966
3. Low-altitude observations of the high-latitude cutoff of electron (E > 40 keV) intensities during magnetic bays in the auroral zones;Craven;Trans. Am. geophys. Un.,1967
4. Space-time distribution of magnetic activity at high latitudes of the Northern Hemisphere—III;Feldstein,1963
5. Some peculiarities in aurora and magnetic disturbances distribution in high latitudes, caused by the asymmetrical form of the magnetosphere;Feldstein;Planet. Space Sci.,1966