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*035  $a(EXLNZ-47BIBSYS_NETWORK)990220934514702201
*035  $a(NO-LaBS)13979434(bibid)
*035  $a(NO-TrBIB)022093451
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*1001 $aCharles, Kerwin Kofi$0(NO-TrBIB)2089584$_50613200
*24510$aRelational costs and the production of social capital :$bevidence from carpooling$cKerwin Kofi Charles, Patrick Kline
*260  $aCambridge, Mass.$bNational Bureau of Economic Research$c2002
*300  $a29, [24] s.
*4901 $aWorking paper series / National Bureau of Economic Research$v9041
*7001 $aKline, Patrick$0(NO-TrBIB)2090947$_82718300
*830 0$aWorking paper series (National Bureau of Economic Research : trykt utg.)$x0898-2937$v9041$w999105437124702201$_13074900
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*999  $aoai:nb.bibsys.no:990220934514702202$b2021-11-14T20:29:05Z$z990220934514702202
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