*0011551684 *008900522s1990 xx# 000 0 nob *019 $bk *08230$a384.3 *100 $aRamberg, Kirsti Rye$_164237700 *245 $aISDN i prøvedrift$bsupertelenett - for din bedrift?$cav Kirsti Rye Ramberg *300 $aS. 20-22 : ill., port. *773 $tDatatid$gÅrg. 12, nr 2 (1990)$x0332-8171$w(NO-LaBS)856848(tnr) *999 $z9000119467$anorart:9000119467 ^