TY  - BOOK
AU  - Antoniou, Andreas 
TI  - Digital filters 
SN  - 0-07-463512-3 
U1  - 621.381 5 ANT  
PY  - 1999///
CY  - Tata mcgraw hill 
PB  - New Delhi 
KW  - CIRCUITRY
ER  -