Future telecommunications : information applications, services, & infrastructure
Robert K. Heldman ; with contributions by T. F. Madison, T. A. Bystrzycki
Bok Engelsk 1993
| Utgitt | New York : McGraw-Hill , c1993
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|---|---|
| Omfang | xix, 234 s. : ill.
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| Emner | |
| ISBN | 0070280398
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