TY  - BOOK
AU  - Chen,Wai Kai 
TI  - Passive active and digital filters (The circuits and filters handbook)
SN  - 9781420058857
U1  - 621.3815324 
PY  - 2009///
CY  - Baca Raton
PB  - CRC Press
KW  - Electrical Engg
ER  -