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- Erw. u. aktualisierte Neuaufl.
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Eberl, U.: UMTS++ : Perspektiven (2001)
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Welzel, P.: Datenfernübertragung : einführende Grundlagen zur Kommunikation offener Systeme (1993)
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- 3., überarb. u. erw. Aufl.
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Werner, H.-J.: ¬Die Werkzeuge liegen bereit : Infoface - eine neue Benutzeroberfläche oder ein neues Retrieval-Software-Konzept? (1993)
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