TY  - BOOK
AU  - Schaumann, Rolf
AU  - Xiao, Haiqiao
AU  - Valkenburg, M V
TI  - Analog filter design
SN  - 9780198098911
U1  - 621.3815 
PY  - 2011///
CY  - New Delhi
PB  - Oxford university press
KW  - Filter design
KW  - Operational Amplifiers
ER  -