00956nam1-22003251i-450-99000540068020331620010829120000.0000540068USA01000540068(ALEPH)000540068USA0100054006820010829d1986-------|0enac50------baengNE||||Z 1||||Handbook of labor economicsedited by Orley Ashenfelter and Richard LayardAmsterdamNort-Holland1986 - v. ; 24 cm0019900054060802033162001 Vol.10019900054061002033162001 Vol. 2EconomialavoroFI331Economia del lavoro21LAYARD,RichardASHENFELTER,OrleyITSOL20120104990005400680203316BKDISES20121027USA011531Handbook of Labor Economics459389UNISA