00663nam a22001457a 4500 230525b |||||||| |||| 00| 0 eng d National Science Library National Science Library 556.536.8(282.253.211)(541.2) M2 Comprehensive pollution survey & studies of Ganga river basin in West Bengal: (June 1980- December 1981) / Center for Study of Man & Environment, Calcutta New Delhi: Central Board for the Prevention and Control of Water Pollution, 1982 51p. Assessment and development study of river basin series ADSORBS/4/1980-81 Science udc REP 34540 34540 0 0 udc 0 55653682822532115412_M2 0 52683 NSL NSL GF/Rk-10/C-5/R-1 1984-02-14 0 556.536.8(282.253.211)(541.2) M2 103896 2023-05-25 00:00:00 1984-02-14 REP