*0011699916 *008970320s1996 xx# 000 0 nob *019 $bk *08230$a025.066177 *100 $aHelland, Magne$_142539600 *245 $aInternett for norske optikere *300 $aS. 4-6 : ill. *773 $tOptikeren$gnr 4 (1996)$x0333-1598$w(NO-LaBS)915635(tnr) *999 $z9700215060$anorart:9700215060 ^