TY  - BOOK
AU  - Oppenheim Alan V
AU  - Schafer Ronald W
TI  - Digital Signal Processing 
SN  - 9789332550339
U1  - 621.391.8:681.32 OPP 
PY  - 2015///
CY  - New Delhi
PB  - Pearson Education
KW  - Digital Signal Processing
ER  -