TY  - BOOK
AU  - Harle, David, jt. au. Irvine, James
TI  - Data communications and networks: an engineering approach
SN  - 0471808725
U1  - 621.3981 
PY  - 2002///
CY  - Chichester
PB  - John Wiley
KW  - Communication networks
KW  - Data Communications
ER  -