TY  - BOOK
AU  -  Gupta, Prakash C.
TI  - Data communications and computer networks
SN  - 9788120328464
U1  - 004.6 
PY  - 2006///
CY  - New delhi
PB  - Prentice hall of  india  pvt.lim
N1  - "it includes the index p.785-800"
ER  -