00381nam a2200097Ia 4500008004100000082002100041100006600062245011400128260003300242300000800275260205b        |||||||| |||| 00| 0 eng d  a309.212bIn39.RP  aIndian Statistical Institute, New Delhi. Regional Survey Unit  aRegionalisation for planningb; reports prepared by Soviet scientists during their visit to India 1961-1962 /  aNew Delhi:bThe Auth.,c1962  av.p