TY  - BOOK
AU  - Gupta,Prakash C.
TI  - Data communications and computer networks / 
SN  - 9788120328464
U1  - 004.6  23
PY  - 2009///
CY  - New Delhi : 
PB  - PHI Learning Pvt. Ltd., 
KW  - Data transmission systems
KW  - Computer networks
ER  -