TY  - BOOK
AU  - Gupta, Prakash C.
TI  - Data communications and computer networks
U1  - FPM 001.644.04 G96D 
PY  - 2008///
CY  - New Delhi
PB  - Prentice-Hall of India
KW  - DATA TRANSMISSION SYSTEMS
KW  - COMPUTER NETWORKS
ER  -