00259nam a2200109Ia 4500082002000000100002000020245004100040260004200081300001600123500000500139700000500144  a331.12bF596.LE  aFleisher, B. M.  aLabor economicsbtheory and evidence  aEnglewood CliffsbPrentice-Hallc1970  axiii, 304p.  a  a