00516nam a22001337a 4500 230621b |||||||| |||| 00| 0 eng d National Science Library National Science Library 627.8:33:624(082.2) L8 All India symposium on the economic and civil engineering aspects of hydro-electric schemes / Proceedings 1-16 April, 1978 organisers................Roorkee India: Security Printers, 1978 v-112p. Proceedings udc PR 45946 45946 0 0 udc 0 6278336240822_L8 0 69749 NSL NSL GF/Rk-13/C-16/R-1 1980-09-27 0 627.8:33:624(082.2) L8 90764 2023-06-21 00:00:00 1980-09-27 PR