TY  - BOOK
AU  - Singh, R. P.
AU  - Sapre, S. D.
TI  - Communication systems: analog and digital
SN  - 9781259004605
U1  - 621.382 SIN 
PY  - 2015///
CY  - New Delhi
PB  - McGraw Hill Education (India) Private Limited
KW  - Communication systems
ER  -