TY  - BOOK
AU  - BATES, Regis. J
AU  - BATES, Marcus
TI  - Principles of Voice and Data Communications
SN  - 9780072257328
U1  - 621.382 
PY  - 2007///
CY  - New York
PB  - McGraw-Hill
KW  - Telecommunication
KW  - Principles of Voice and Data Communications
N1  - includes index
ER  -