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*020  $a8257090166
*035  $a(EXLNZ-47BIBSYS_NETWORK)999327519464702201
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*1001 $aGrepperud, Sverre$0(NO-TrBIB)90376753$_15211700
*24510$aSoil conservation and agricultural prices$cby Sverre Grepperud
*260  $aOslo$bDepartment of Economics, University of Oslo$c[1993]
*300  $a19 s.$bfig.
*4901 $aMemorandum from Department of Economics, University of Oslo$v17, November 1993
*533  $aElektronisk reproduksjon$b[Norge]$cNasjonalbiblioteket Digital$d2017-07-10
*653  $ajordvern$adyrkbar$ajord$avern$apriser$ajordbruksprodukter$alandbruksprodukter$_87365600
*830 0$aMemorandum (Universitetet i Oslo. Sosialøkonomisk institutt : trykt utg.)$x0801-1117$v17, November 1993$w998120437074702201$_11432400
*85641$3Fulltekst$uhttps://urn.nb.no/URN:NBN:no-nb_digibok_2017071009526$yNettbiblioteket$zDigital representasjon
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