*0011556862 *008901106s1990 xx# 000 0 nob *019 $bk *08230$a343.04 *100 $aRavnaas, Ernst$_152956700 *245 $aSkattereform og effektive skattesatser$cav Ernst Ravnaas *300 $aS. 213-254 *773 $tSkatterett$gÅrg. 9, nr 3 (1990)$x0333-2810$w(NO-LaBS)277373(tnr) *999 $z9000124647$anorart:9000124647 ^