Citation: Av. Usmanov, MHD-PROJECTION OF THE SOLAR-WIND STRUCTUR E OBSERVED AT THE EARTH ORBIT TO THE SUN, Geomagnetizm i aeronomia, 33(3), 1993, pp. 153-155
Citation: Av. Usmanov, VARIATIONS OF SOLAR-WIND PARAMETERS AND T HE GEOMAGNETIC-ACTIVITY IN SOLAR CYCLE-20 AND CYCLE-21, Geomagnetizm i aeronomia, 33(3), 1993, pp. 155-157