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*1001 $aAndersen, Egil P.$d1964-$0(NO-TrBIB)90116570$_106124500
*24510$aConceptual modeling of objects :$ba role modeling approach$cEgil P. Andersen
*260  $aOslo$bDepartment of Informatics, University of Oslo$c1997
*300  $aXVI, 342 s.$bill.$c30 cm
*4901 $aDr scient thesis / Department of Informatics, University of Oslo$v4
*502  $aAvhandling (dr.scient.) - Universitetet i Oslo, 1998
*533  $aElektronisk reproduksjon$b[Norge]$cNasjonalbiblioteket Digital$d2009-03-16
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*85641$3Fulltekst$uhttps://urn.nb.no/URN:NBN:no-nb_digibok_2009031604004$yNettbiblioteket$zDigital representasjon
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