TY  - BOOK
AU  - Keiser, Bernhard E.
AU  - Strange, Eugene.
TI  - Digital telephony and network integration /Bernhard E. Keiser and Eugene Strange
SN  - 0442009011
U1  - 621.385 
PY  - 1995///
CY  - New York
PB  - VNR
ER  -