TY  - BOOK
AU  - Raja Rajeswari, K. 
AU  - Visvesvara Rao, B. 
TI  - Signals and systems
SN  - 9788120349414
U1  - 621.3822 
PY  - 2014///
CY  - Delhi
PB  - PHI Learning 
N1  - Includes index
ER  -