TY  - BOOK
AU  - Flood, J.E 
TI  - Telecommunications switching, trapic and networks 
SN  - 81-7808--457-0 
U1  - 621.382 FLO  
PY  - 2001///
CY  - Pearson education asia 
PB  - Delhi 
KW  - TELECOMMUNICATION
ER  -