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*1001 $aMelitz, Jacques$0(NO-TrBIB)90236904$_38732500
*24510$aNorth, south and distance in the gravity model$cJacques Mélitz
*260  $aLondon$bCentre for Economic Policy Research$c2005
*300  $a27 s.$bill.
*4901 $aDiscussion paper series / Centre for Economic Policy Research$vno. 5136
*830 0$aDiscussion paper series (Centre for Economic Policy Research : trykt utg.)$x0265-8003$vno. 5136$w999006439434702201$_14585900
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