000			003090000a22001330004500
245			_aThe production function in business
100			_aTimms, H.L.
100			_aPohlen, M.F.
250			_a3d ed.
260			_aHomewood _bRichard D.Irwin _c1970
080			_a658.5 _bT5
041			_aEN
942			_cBK _01
999			_c113768 _d113768