*0011538539
*008890223s1988    xx#           000 0 nob
*019  $bk
*08230$a338.272
*100  $aHeum, Per$_33014200
*245  $aPetroleumsvirksomhetens industrielle betydning$cPer Heum og Karl-Ove Tvedt
*300  $aS. 104-111
*700  $aTvedt, Karl-Ove$_163923700
*773  $tKvartalsskrift / Bergen bank$gnr 4 (1988)$x0332-6756$w(NO-LaBS)819141(tnr)
*999  $z8900105496$anorart:8900105496
^