TY  - GEN
AU  - Grigonis, Richard
TI  - Computer telephony encyclopedia 
SN  - 1578200458
PY  - 2000///
CY  - New York 
PB  -  Publishers Group West
KW  - Digital telephone systems
KW  - Encyclopedias
KW  - Internet telephony
KW  - Mobile communication systems
ER  -