TY  - BOOK
AU  - Gupta, Sanjeeva.
TI  - Electronics communications systems: a textbook for electronics engineering students 
U1  - 621.381 GUP 23
PY  - 2004///
CY  - Delhi
PB  - Khanna
KW  - Telecommunication
KW  - Data transmission systems
KW  - Telecommunication systems
ER  -