A tactile marker for telephone cards : from idea to global standard
Knut Nordby
Artikkel Engelsk
*0011725434 *008980923s1997 xx# 000 0 eng *019 $bk *08230$a384.65 *100 $aNordby, Knut$_77708800 *245 $aA tactile marker for telephone cards$bfrom idea to global standard *300 $aS. 97-105 : ill. *650 $atelefonkort$9nor$2norart$_170419500 *773 $tTelektronikk$gVol. 93, no. 3/4 (1997)$x0085-7130$w(NO-LaBS)537526(tnr) *999 $z9800240587$anorart:9800240587 ^