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100   $a20021010d1985----km-y0itay50------ba
101 0 $aeng
200 1 $aLongitudinal analysis of labour market data$fedited by James J.Heckman and Burton Singer
210   $aCambridge$cCambridge University Press$d1985
702  1$aHeckman,$bJames Joseph$f<1944- >
702  1$aSinger,$bBurton
801  0$aIT$bUNINA$gRICA$2UNIMARC
901   $aBK
912   $a990007293710403321
952   $aXV S 102$fDTE
959   $aDTE
996   $aLongitudinal analysis of labour market data$91508126
997   $aUNINA
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