TY  - BOOK
AU  - Irvine, James
AU  - Harle, David
TI  - Data communications and networks: an engineering approach 
SN  - 0471808725
U1  - 004.6 
PY  - 2002///
CY  - England
PB  - John Wiley & Sons
KW  - Communication System
KW  - Computer Science
KW  - Data Communications And Networks
ER  -