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*1001 $aWillassen, Yngve$d1941-$0(NO-TrBIB)90259360$_39350700
*24510$aOn the economics of the optimal fallow-cultivation cycle$cby Yngve Willassen
*260  $aOslo$bDepartment of Economics, University of Oslo$c2001
*300  $a19 s.$bill.
*4901 $aMemorandum / Department of economics, University of Oslo$vno. 21/2001
*533  $aElektronisk reproduksjon$b[Norge]$cNasjonalbiblioteket Digital$d2016-08-09
*588  $aKatalogisert etter omslag
*653  $ajordbruk$ajordvern$_98101800
*7760 $tOn the economics of the optimal fallow-cultivation cycle$w990216824374702201
*830 0$aMemorandum (Universitetet i Oslo. Økonomisk institutt : trykt utg.)$x0809-8786$vno. 21/2001$w990410975304702201$_13293200
*85641$3Fulltekst$uhttps://urn.nb.no/URN:NBN:no-nb_digibok_2016080909029$yNettbiblioteket$zDigital representasjon
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*999  $aoai:nb.bibsys.no:990116123984702202$b2021-11-14T20:42:48Z$z990116123984702202
^