00353nam a2200097Ia 4500008004100000082002700041100005300068245008700121260003300208300001400241260921b        |||||||| |||| 00| 0 eng d  a338.130246317bIn39.SD  aIndia. Irrigation and Power, Central Board of -.  aSymposium on determination of costs and benefits of river valley projects, 1953b/  aNew Delhi:bThe Auth.,c1954  aiv, 261p.