*0011677770 *008961024s1980 xx# 000 0 nob *019 $bk *08230$a301.3 *100 $aAanesland, Normann$_85154700 *245 $aSamfunnsmessige kostnader ved ukependling *300 $aS.219-222 *773 $tPlan & arbeid$g4 (1980)$x0032-0609$w(NO-LaBS)208668(tnr) *999 $z9600031752$anorart:9600031752 ^