*0011617601 *008931110s1993 xx# 000 0 eng *019 $bk *08230$a005.131 *100 $aNyeng, Astrid$_156351200 *245 $aFormal languages *300 $aS. 29-36 *773 $tTelektronikk$gÅrg. 89, nr 2/3 (1993)$x0085-7130$w(NO-LaBS)537526(tnr) *999 $z9300165229$anorart:9300165229 ^