00326nam a2200121Ia 4500082002300000100002600023245006800049260002300117300001400140490004000154500000500194700000500199  a338.10954bR215.AP  aRao, C. H. Hanumantha  aAgricultural production functions, costs and returns in Indiab  aBombaybAsiac1965  axii, 99p.  aInstitute of Economic Growth, Delhi  a  a