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*1001 $aHall, Bronwyn H.$0(NO-TrBIB)2034105$_30008900
*24510$aExploring the patent explosion$cBronwyn H. Hall
*260  $aCambridge, Mass.$bNational Bureau of Economic Research$c2004
*300  $a27 s.$bill.
*4901 $aWorking paper series / National Bureau of Economic Research$v10605
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