TY  - BOOK
AU  - Sign, RP
AU  - Sapre, S D
TI  - Communication Systems: Analog and Digital
SN  - 9781259004605
U1  - 7443 1/1 621.382 
PY  - 2015///
CY  - New Delhi
PB  - McGraw Hill Edu.
KW  - Communication Systems
ER  -