TY  - BOOK
AU  - Rajeswari, K. Raja
AU  - Rao, B. Visvesvara 
TI  - Signals and systems
SN  - 9788120349414
U1  - 621.3822 
PY  - 2014///
CY  - New Delhi
PB  - PHI Learning.
KW  - Signal processing
ER  -