000			00314nam a22001217a 4500
082			_a338.1 HEA
100			_aHeady, Earl O.
245			_aeconomics of agricultural production and resource use
260			_aLondon _bPrentice-Hall _c1952
300			_avii, 850p. _bill, 24cm.
500			_aInclude index
942			_cBK
999			_c14123 _d14123