RED BOOK : VOLUME VII - FASCICLE VII.1: TELEGRAPH TRANSMISSION: SERIES R RECOMMENDATIONS. TELEGRAPH SERVICES TERMINAL EQUIPMENT: SERIES S RECOMMENDATIONS - INTERNATIONAL TELECOMMUNICATION UNION (GINEBRA, 1985)
VIIITH PLENARY ASAMBLY. MALAGA-TORREMOLINOS, 8-19 OCTOBER 1984.
Keywords: INGENIERIA ELECTRONICA; RED ALAMBRICA