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*24500$aCould the U.S. iron industry have survived free trade after the civil war?$cDouglas A. Irwin
*260  $aCambridge, Mass.$bNBER$c2000
*300  $a35 s.
*4901 $aNBER working paper series$v7640
*7001 $aIrwin, Douglas A.$_22524100
*7102 $aNational Bureau of Economic Research (Forente Stater)$_13074800
*830 0$aWorking paper series (National Bureau of Economic Research : trykt utg.)$x0898-2937$v7640$w999105437124702201$_13074900
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*999  $aoai:nb.bibsys.no:990210067094702202$b2021-11-14T20:49:54Z$z990210067094702202
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