TY  - BOOK
AU  - Housley, T 
TI  - Data communication & teleprocessing systems-second edition
SN  - 81-7800-075-X
U1  - 004.6 
PY  - 2005///
CY  - Hyderabad
PB  - Bs Pub
KW  - Computer EngineeringInformation Technology
ER  -