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*1001 $aHall, Brian J.$0(NO-TrBIB)2055391$_30538600
*24510$aManaging option fragility$cBrian J. Hall, Thomas A. Knox
*260  $aCambridge, Mass.$bNational Bureau of Economic Research$c2002
*300  $a61 s.
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*7001 $aKnox, Thomas A.$0(NO-TrBIB)2091367$_110328900
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