*0011683219 *008961024s1981 xx# 000 0 nob *019 $bk *08230$a336.2 *08230$a338.2 *100 $aLund, Diderik$_137594300 *245 $aPetroleumsskatt og kostnadsbevissthet *300 $aS.24-32 *773 $tSosialøkonomen$gÅrg.35, nr.6 (1981)$x0038-1624$w(NO-LaBS)498238(tnr) *999 $z9600037748$anorart:9600037748 ^