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"Kostenvorteile der Systemkopplung per ISDN bzw. ISDN/X."
Sigram Schindler, Carsten Heidebrecht (1992)
- Sigram Schindler, Carsten Heidebrecht:
Kostenvorteile der Systemkopplung per ISDN bzw. ISDN/X. Prax. Inf.verarb. Kommun. 15(1): 44-46 (1992)
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