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*035  $a(EXLNZ-47BIBSYS_NETWORK)990218527404702201
*035  $a(NO-LaBS)15011079(bibid)
*035  $a(NO-TrBIB)02185274x
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*1001 $aFryer, Roland G.$0(NO-TrBIB)2076248$_80107900
*24510$aUnderstanding the black-white test score gap in the first two years of school$cRoland G. Fryer, Jr., Steven D. Levitt
*260  $aCambridge, Mass.$bNational Bureau of Economic Research$c2002
*300  $a27, [31] s.
*4901 $aWorking paper series / National Bureau of Economic Research$v8975
*7001 $aLevitt, Steven D.$d1967-$0(NO-TrBIB)2076247$_15118500
*830 0$aWorking paper series (National Bureau of Economic Research : trykt utg.)$x0898-2937$v8975$w999105437124702201$_13074900
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*999  $aoai:nb.bibsys.no:990218527404702202$b2021-11-14T21:06:27Z$z990218527404702202
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