VOICE AND DATA COMMUNICATIONS HANDBOOK
BATES, REGIS J.
VOICE AND DATA COMMUNICATIONS HANDBOOK - 4th - NEW DELHI. TATA MCGRAW HILL CO LTD., NEW DELHI. 2004 - 1074
0070472815
621.399/BAT/GRE
VOICE AND DATA COMMUNICATIONS HANDBOOK - 4th - NEW DELHI. TATA MCGRAW HILL CO LTD., NEW DELHI. 2004 - 1074
0070472815
621.399/BAT/GRE