*0011488745
*008840103s1983    xx#           000 0 nob
*019  $bk
*08230$a621.385
*100  $aKonstali, Torvald$_163380000
*245  $aDigital abonnentlinjesignalering
*300  $aS.137-142
*773  $tTelektronikk$gÅrg.79, nr.2 (1983)$x0085-7130$w(NO-LaBS)537526(tnr)
*999  $z8400056395$anorart:8400056395
^