RED BOOK : VOLUME VII - FASCICLE VII.1: TELEGRAPH TRANSMISSION: SERIES R RECOMMENDATIONS. TELEGRAPH SERVICES TERMINAL EQUIPMENT: SERIES S RECOMMENDATIONS - 1ST ED. - GINEBRA Suiza CCITT 1985 - 235

VIIITH PLENARY ASAMBLY. MALAGA-TORREMOLINOS, 8-19 OCTOBER 1984.

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