TY  - BOOK
AU  - Schaphorst, Richard
AU  - Schaphorst, Richard
TI  - Videoconferencing and videotelephony :  technology and standards    
SN  - 9780890069974
AV  - 621.385 SCH 1999 
U1  - 621.385 SCH 1999 
PY  - 1999///
CY  - Boston
PB  - Artech House
KW  - Communication Engineering
ER  -