Soobshchenie o nauchnykh rabotakh po geomagnetizmu i aėronomii, postoi︠a︡nnoe geomagnitnoe pole, 1979-1982

Akademii︠a︡ nauk SSSR. Mezhduvedomstvennyĭ geofizicheskiĭ komitet, G. N. Petrova, International Union of Geodesy and Geophysics. General Assembly