TY - BOOK ED - INTERNATIONAL TELECOMMUNICATION UNION TI - RED BOOK : VOLUME VII - FASCICLE VII.1: TELEGRAPH TRANSMISSION: SERIES R RECOMMENDATIONS. TELEGRAPH SERVICES TERMINAL EQUIPMENT: SERIES S RECOMMENDATIONS SN - 9261022715 U1 - 621.38206 CY - GINEBRA KW - INGENIERIA ELECTRONICA KW - RED ALAMBRICA N1 - VIIITH PLENARY ASAMBLY. MALAGA-TORREMOLINOS, 8-19 OCTOBER 1984 ER -