00660nam a2200205Ia 4500 IN-BaIIA 211028s9999 xx 000 0 eng d IIA Library 551.51 MIT Mitra, S. K 2184 The upper atmosphere S. K. Mitra Calcutta The Royal Asiatic Society of Bengal 1935 xix, 616p. The Royal Asiatic Society of Bengal monograph series; v. V Astronomy and Astrophysics Thesaurus Earth atmosphere Ionosphere 2185 Upper atmosphere 2186 BK 1013 1013 0 0 0 0 BAN BAN GEN 0000-00-00 25.00 0 551.51/ MIT 1056 2021-11-05 25.00 0000-00-00 BK Rs. 25.00