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Google圖書搜尋
Twentieth Report by the International Telecommunication Union on Telecommunication and the Peaceful Uses of Outer Space
International Telecommunication Union
出版
ITU
, 1981
ISBN
9261012310
9789261012311
URL
http://books.google.com.hk/books?id=bqIztAEACAAJ&hl=&source=gbs_api
註釋
Administrative radio conference, international regulations, satellite telecommunications, registration of frequency, frequency assignement, space radiocommunication, orbital position of geostationary satellites.
