TY  - BOOK
AU  - Bates,Regis J.(Bud)
TI  - Voice and data communications handbook
SN  - 0070063966
U1  - 621.382 
PY  - 1998///
CY  - New York
PB  - McGraw-Hill
KW  - Telecommunication--Handbooks, manuals etc
ER  -