TY  - BOOK
AU  - Bates,Regis J.
AU  - 
TI  - Voice and data communications handbook
SN  - 0072131888
U1  - 621.382 23
PY  - 2001///
CY  - New York : 
PB  - McGraw-Hill , 
KW  - Telecommunication - Handbooks, manuals, etc
N1  - Includes index
ER  -