TY  - BOOK
AU  - Schaumann, Rolf ; Valkenburg ,M. E. Van
TI  - Design of Analog Filters 
SN  - 195471458
U1  - 621.3815324 SCH 
PY  - 2001///
CY  - Karachi
PB  - Oxford University Press
KW  - Engineering Technology
KW  - Technology
N1  - Includes Index
ER  -