00872nam a2200217Ia 4500 IN-BaIIA 211028s9999 xx 000 0 eng d IIA Library 551.510(063) CSIR-2 International Geophysical Year Symposium New Delhi 1961 Feb. 13-16 12789 Proceedings of IGY Symposium, February 13-16, 1961, New Delhi, edited by S. A. Chari and Council of Scientific and Industrial Research New Delhi Council of Scientific and Industrial Research 1963 viii, 245p. Donated by Mrs. Bappu Astronomy and Astrophysics Thesaurus Geophysics 54 Ionosphere Chari, S. A., ed. 12790 Council of Scientific and Industrial Research 3048 BK 7517 7517 0 0 0 0 BAN BAN GEN 1983-07-15 0 551.510(063)/ CSIR-2 8329 2021-11-05 1983-07-15 BK