CCITT Plenary Assembly (Red Book) Malaga-Torremolinos, 1984 :   Specifications of Signalling System No.7, Recommendations Q.701-Q.714 : Fascicle /   Vol.VI.7 

 - Geneva :   ITU,   1984. 
 - XI, 373 s.;   30 cm. 
<br/><br/><label>ISBN: </label>9261022014