TY  - BOOK
AU  - Schaumann,Rolf
AU  - Valkenburg,Mac E Van  .
TI  - Design analog filters / 
SN  - 9780195680874
U1  - 621.3815324 
PY  - 2001///
CY  - New Delhi : 
PB  - Oxford University Press , 
KW  - APPLIED PHYSICS
N1  - Includes index
ER  -