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200 1 $aHandbook of labor economics$fedited by Orley Ashenfelter and Richard Layard
210   $aAmsterdam$cNort-Holland$d1986 - v. ; 24 cm
463 \1$1001990005406080203316$12001 $aVol.1
463 \1$1001990005406100203316$12001 $aVol. 2
606   $aEconomia$xlavoro$2FI
676   $a331$cEconomia del lavoro$v21
702  1$aLAYARD,$bRichard
702  1$aASHENFELTER,$bOrley
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996   $aHandbook of Labor Economics$9459389
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