00533nam a22001817a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093100001700102245005300119260012500172300001000297650002300307700002100330CHAP20220329133917.0971013s1982            r     00010     d  a12590  a13562  a17634  cCHAP00aBates, W. C.  aMeasuring labor performance in fluid milk plants  aUniversity Park, Pa. :bPennsylvania State University. Department of Agricultural Economics an Rural Sociology,c/1982?/  a61 p.14aIndustria lechera.0 aJohnstone, W. F.