TY  - BOOK
AU  - Prakash C. Gupta
AU  - ,
TI  - Data Communications
SN  - 8120311183
U1  - 004 . 6  GUD 
PY  - 1999///
CY  - NULL
PB  - Prentice Hall of India
KW  - Data Transmission Systems
N1  - Data-CSE
ER  -