TY  - BOOK
AU  - GUPTA, PRAKASH C.
TI  - DATA COMMUNICATION AND COMPUTER NETWORKS
SN  - 8120328464
U1  - 005.71/GUP 
PY  - 2008///
CY  - NEW DELHI.
PB  - PRENTICE HALL OF INDIA PVT. LTD., NEW DELHI.
ER  -