TY  - BOOK
AU  - Gupta,Prakash C.
TI  - Data communications
SN  - 9788120311183
U1  - 004.6 20
PY  - 1994///.[Reprinted 2002]
CY  - New Delhi
PB  - Prentice Hall of India
KW  - Data transmission systems
N1  - Includes index
ER  -