Electronic communication /
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
New York :
Gregg Division, McGraw-Hill,
[1980]
|
| Edition: | 4th ed. |
| Subjects: |
| Item Description: | Includes index. |
|---|---|
| Physical Description: | xiv, 801 pages : illustrations ; 25 cm. |
| ISBN: | 0070571503 |