00476nam a22001337a 4500 230621b |||||||| |||| 00| 0 eng d National Science Library National Science Library 626.81/.86(063) K6 Sixth congress on irrigation and drainage (New Delhi - 1966): Reports for discussion New Delhi: International Commission on Irrigation and Drainage, 1966 20.499p. Report udc REP 45727 45727 0 0 udc 0 6268186063_K6 0 69337 NSL NSL GF/Rk-13/C-14/R-3 1968-01-06 0 626.81/.86(063) K6 21801 2023-06-21 00:00:00 1968-01-06 REP