TY  - BOOK
ED  - INTERNATIONAL TELECOMMUNICATION UNION
TI  - RED BOOK : VOLUME VI - FASCICLE VI.4: SPECIFICATIONS OF SIGNALLING SYSTEMS R1 AND R2; RECOMMENDATIONS Q.310-Q.490
SN  - 9261021719
U1  - 621.38206 
CY  - GINEBRA
KW  - INGENIERIA ELECTRONICA
KW  - RED ALAMBRICA
N1  - VIIITH PLENARY ASAMBLY. MALAGA-TORREMOLINOS, 8-19 OCTOBER 1984
ER  -