00468nam a22001577a 4500 230525b |||||||| |||| 00| 0 eng d 81-7024-215-0 National Science Library National Science Library 551.535.8(540) M8 Ecology and pollution of Indian rivers New Delhi: Ashish Publishing House, 1988 xv, 447p. Science Trivedy, R K (Ed.) udc BK 34501 34501 0 0 udc 0 5515358540_M8 0 52628 NSL NSL GF/Rk-10/C-5/R-1 1989-02-17 0 551.535.8(540) M8 169897 2023-05-25 00:00:00 1989-02-17 BK