00374nam a2200121Ia 4500082000900000100005200009245007200061260003100133300000900164490006900173500000500242700000500247  aSFb  aIndia. National Sample Survey, Directorate of -  aReview of minor irragation assessment surveys, 1951-52 to 1959-60b  aNew DelhibThe Auth.c1962  av.p.  aSurveys for estimating benefits of irrigationv series D.1, no.1  a  a