00574nam a2200181Ia 4500 IN-BaIIA 20250702143146.0 211028s9999 xx 000 0 eng d IIA Library 523.745 ELL-22 Annals of the IGY vol. XXII, solar activity maps D2 edited by M. A. Ellison London Pergamon Press 1962 International Geophysical Year 4846 Map Solar-activity 1424 Ellison, M. A, ed.. 4847 BK ddc 2705 2705 0 0 ddc 0 0 BAN KOD GEN 1967-02-25 1138.00 0 523.745/ ELL-22 3018 2021-11-05 1138.00 1967-02-25 BK Rs. 1138.00