TY  - GEN
AU  - Gupta, Prakash C.
TI  - Data Communications
SN  -  8120311183
U1  - 004.6 
PY  - 1996///
CY  -  New Delhi
PB  -  Prentice-Hall
KW  - 1.Data transmission systems.2.Digital Electronics
N1  - Includes bibliographical references and index
ER  -