TY  - BOOK
AU  - Irvine, James
AU  - Harle, David
TI  - Data communications and networks: an engineering approach
SN  - 9788126507658
U1  - 004.6 IRV 
PY  - 2015///
CY  - New Delhi
PB  - Wiley
KW  - Data networking
KW  - Data communications
ER  -