00261nam a2200109Ia 4500082002500000100001700025245005600042260002800098300001500126500000500141700000500146  a330.183(54)bG977.PM  aGupta, S. P.  aPlanning models in India with projections to 1975b  aNew YorkbPraegerc1971  axxv, 400p.  a  a