*0011548878 *008900301s1989 xx# 000 0 nob *019 $bk *08230$a659.1 *100 $aHelgesen, Thorolf$_153150700 *245 $aReklamemarkedet mot sammenbrudd eller ny vekst?$cav Thorolf Helgesen *300 $aS. 6-7 : ill., port. *773 $tDagspressen$gnr 13 (1989)$x0011-5304$w(NO-LaBS)863219(tnr) *999 $z9000116660$anorart:9000116660 ^