Yellow Book: International Telegraph and Telephone Consultative Committee, VIIth Plenary Assembly, Geneva, 10-21 November 1980 : Recommendations ...
- ISBN-10
- 9261010512
- ISBN-13
- 9789261010515
- Pages
- 232
- Language
- English
- Published
- 1981
- Publisher
- International Telecommunication Union
- Author
- International Telegraph and Telephone Consultative Committee. Plenary Assembly
