TY  - BOOK
AU  - Oppenheim,Alan V.
AU  - Willsky, Alan S. 
AU  -  Nawab, S. Hamid. 
TI  - Signals and systems / 
SN  - 9788120312463
U1  - 621.38223 23
PY  - 1997/// | 2011.
CY  - New Delhi : 
PB  - PHI Learning Pvt Ltd, 
KW  - System analysis.
KW  - Signal theory.
ER  -