TY  - BOOK
AU  - Oppeenheim, Alan, V Schafer, Ronald, W 
TI  - Discrete time signal processing 
SN  - 81-203-0720-8 
U1  - 621.382 2 OPP  
PY  - 2001///
CY  - Prentice hall of india 
PB  - New Delhi 
KW  - SIGNAL PROCESSING
ER  -