Communicating by satellite ; report of the Twentieth Century Fund Task Force in International Satellite Communications. Background paper by Paul L. Laskin.
| 企業作者: | |
|---|---|
| 其他作者: | |
| 格式: | 圖書 |
| 語言: | English |
| 出版: |
New York
Twentieth Century Fund
[c1969].
|
| 主題: |