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*040  $aNO-TrBIB$bnob$ekatreg
*24500$aWhere does state street lead? :$ba first look at finance patents, 1971-2000$cJosh Lerner
*260  $aCambridge, Mass.$bNBER$c2000
*300  $a34, [11] s.
*4901 $aNBER working paper series$v7918
*7001 $aLerner, Josh$_34064500
*7102 $aNational Bureau of Economic Research (Forente Stater)$_13074800
*830 0$aWorking paper series (National Bureau of Economic Research : trykt utg.)$x0898-2937$v7918$w999105437124702201$_13074900
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