00490nam a22001577a 4500 230515b |||||||| |||| 00| 0 eng d National Science Library National Science Library 551.438.5(540)(082.2) N1 Indian geosphere biosphere programme: Some aspects New Delhi: National Academy of Sciences, 1991 289p. Geosphere Biosphere Khoshoo, T N (Ed.) udc BK 29915 29915 0 0 udc 0 55143855400822_N1 0 44974 NSL NSL GF/Rk-9/C-22/R-5 1991-07-11 0 551.438.5(540)(082.2) N1 172089 2023-05-15 00:00:00 2023-05-15 BK