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*1001 $aOlmstead, Alan L.$0(NO-TrBIB)2049333$_30470000
*24510$aHog round marketing, seed quality, and government policy :$binstitutional change in U.S. cotton production, 1920-1960$cAlan L. Olmstead, Paul W. Rhode
*260  $aCambridge, Mass.$bNational Bureau of Economic Research$c2003
*300  $a52 s.$bill.
*4901 $aWorking paper series / National Bureau of Economic Research$v9612
*7001 $aRhode, Paul W.$0(NO-TrBIB)2049313$_30470100
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