Telecommunications, economic studies : economic studies at the national level in the field of telecommunications (1973-1976) : GAS 5 manual, edition 1976.
Corporate Author: | International Telecommunication Union |
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Language: | English |
Published: |
Geneva :
The Union,
1976-
|
Subjects: | |
Physical Description: | 1 volume : illustrations ; 31 cm |
Format: | Book |