000			00488cam a22001457a 4500
008			180718b1961 xxu||||| |||| 00| 0 eng d
082			_aZ4x777 H345
100			_aHeady, Earl O.
245			_aAgricultural production functions _cby Earl O. Heady and John L. Dillon
260			_aAmes _bIowa State University Press _c1961
300			_a667p.
650			_aFarm management --Mathematical models
650			_aAgriculture --Economic aspects --Mathematical models
700			_aDillon, John L.
999			_c367969 _d367969