Twentieth report
By: by the International Telecommunication Union on telecommunication and the peaceful uses of outer space.
Contributors: International Telecommunication Union.
Series: Booklet / International Telecommunication Union ;; no. 29; Booklet (International Telecommunication Union) ;; no. 29.
Publisher: I.T.U
Published: 1981
Place of publication: Geneva
Language: eng
Number of pages: 233
Subjects: Artificial satellites in telecommunication.
Other titles: 20th report ITU/Space.; Twentieth report ITU/Space.
Notes: Includes bibliographical references.
On spine: 20th report ITU/Space.