00490nam a22001577a 4500 230609b |||||||| |||| 00| 0 eng d National Science Library National Science Library 627.1 N4.1 Nigam, P S 11298 Water resources development and planning New Delhi: Central Board of Irrigation & Power, Publlication 243 Vol. 1; ISBN: 81-7336-256-4 Science udc BK 41639 41639 0 0 udc 0 6211_N41 0 62075 NSL NSL GF/Rk-13/C-15/R-6 1996-03-14 Vol. 1; ISBN: 81-7336-256-4 0 621.1 N4.1 176502 2023-06-09 00:00:00 1996-03-14 BK