TY  - BOOK
AU  - Bates,Regis J.
AU  - Gregory,Donald W.
TI  - Voice and data communications handbook
SN  - 0072122765
PY  - 2000///
CY  - New York
PB  - McGraw-Hill
KW  - Data transmission systems
KW  - Telecommunication
KW  - Digital communications
ER  -