TY - BOOK ED - INTERNATIONAL TELECOMMUNICATION UNION TI - RED BOOK : GENERAL MAINTENANCE PRINCIPLES. MAINTENANCE OF INTERNATIONAL TRANSMISSION SYSTEMS, INTERNATIONAL TELEPHONE CIRCUITS. RECOMMENDATIONS M.10-M.762 SN - 9261020917 U1 - 621.38206 CY - GINEBRA KW - INGENIERIA ELECTRONICA KW - RED ALAMBRICA N1 - VIIITH PLENARY ASAMBLY. MALAGA-TORREMOLINOS, 8-19 OCTOBER 1984 ER -