Red book : VIIIth Plenary Assembly, Malaga-Torremolinos, 8-19 October 1984
CCITT, the International Telegraph and Telephone Consultative Committee
International Telecommunication Union
International Telecommunication Union 1985 Red book : VIIIth Plenary Assembly, Malaga-Torremolinos, 8-19 October 1984 / CCITT, the International Telegraph and Telephone Consultative Committee v. 3, facs. 3-5
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