TY  - BOOK
AU  - Irvine, James
AU  - Harle, David.
TI  - Data communication and network: an engineering approach
SN  - 8126507659 
U1  - 004.6 
PY  - 1994///
CY  - Singapore
PB  - John Wiley And Sons
KW  - Data processing computer science
ER  -