TY  - BOOK
AU  - Oppenhiem, Alan V.
TI  - Signals & systems
SN  - 81-7758-262-3
U1  - 621.3822 
PY  - 1997///
CY  - New Delhi
PB  - Pearson Education
KW  -  
KW  - Engineering
KW  - Signal processing
N1  - Bibliography and index are given
ER  -