TY  - BOOK
AU  - Bates, Regis J. (Bud)
AU  - Donald W Gregory
TI  - Voice and data communications handbook
SN  - 70472815
U1  - 005.71 
PY  - 0000///[n.d.]
CY  - New Delhi
PB  - Tata McGraw
KW  - Digital communications
KW  - Electronic systems
KW  - Computer networks
ER  -