TY  - BOOK
AU  - Singh, R. P.
AU  - Sapre, S. D.
TI  - Communication systems: Analog and digital
SN  - 9780070634541
U1  - 621.382 
PY  - 2008///
CY  - New Delhi
PB  - Tata McGraw-Hill
KW  - Electronics and Communication Engineering
ER  -