The new communications technologies /
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| Main Author: | |
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| Other Authors: | |
| Format: | Book |
| Language: | English |
| Published: |
Boston :
Focal Press,
c1990.
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| Subjects: |
| Physical Description: | xi, 244 p. : ill ; 26 cm. |
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| Bibliography: | Includes bibliographical references and index. |
| ISBN: | 0240800125 |