TY  - BOOK
AU  - Oppenheim, Alan V
AU  - Ronald, W
TI  - Discrete time signal processing
SN  - 81-7808-244-6
U1  - D65,4:(B) M9O,N9 
CY  - Delhi
PB  - pearson Education
KW  - Electronic Engg
N1  - include index
ER  -