Electronic communication /
| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
New York :
McGraw-Hill,
[1975]
|
| Edition: | 3d ed. |
| Subjects: |
| Physical Description: | xvi, 798 pages : illustrations ; 25 cm. |
|---|---|
| ISBN: | 0070571384 |