The invisible resource: Use and regulation of the radio spectrum / Harvey J.Levin
Сохранено в:
| Вид документа: | |
|---|---|
| Автор: | Levin, Harvey J. |
| Опубликовано: | Baltimore and London : Hopkins Press , 1971 |
| Физические характеристики: |
XX, 432 p.
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| Язык: | Английский |
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| 215 | # | # | $a XX, 432 p. |
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