TY  - BOOK
AU  - IRVINE, JAMES
AU  - HARLE, DAVID
TI  - DATA COMMUNICATIONS AND NETWORKS
SN  - 8126507659
U1  - 005.71/IRV/HAR 
PY  - 2006///
CY  - NEW YORK.
PB  - JOHN WILEY & SONS INC., NEW YORK.
ER  -