00954nam--2200349---450-99000216137020331620090310121325.0000216137USA01000216137(ALEPH)000216137USA0100021613720041111d1972----km-y0itay0103----baengUS||||||||001yyLabor economicsRichard B. FreemanEnglewood, N.J.Prentice-hall1972VIII, 136 p.24 cm20012001001-------2001331FREEMAN,Richard Barry568472ITsalbcISBD990002161370203316331 FRE 1 (IEP VIII 457)12971 E.C.IEP VIII00202269BKECOSIAV21020041111USA011106RSIAV49020090310USA011213Labor economics1038733UNISA