TY  - BOOK
AU  - Stallings, William
TI  - Data and Computer communications
SN  - 978-81-317-1536-9
U1  - 001.64 
PY  - 2011///
CY  - Noida
PB  - Dorling Kindersley
KW  - Computer networks
KW  - Data transmission systems
ER  -