CCITT Plenary Assembly (Red Book) Malaga-Torremolinos, 1984 :   Maintenance of International Telegraph, Fascimile and Leased Circuits, Maintenance of the International Public Telephone Network, Maintenance of Maritime Satellite and Data Transmission Systems, Rec. : Fascicle /   Vol.IV.2 

 - Geneva :   ITU,   1984. 
 - IX, 118 s.;   30 cm. 
<br/><br/><label>ISBN: </label>9261021018