TY  - BOOK
AU  - SCHAUMANN, ROLF
AU  - VAN VALKENBURG, MAC E.
TI  - DESIGN OF ANALOG FILTERS
SN  - 0195118774
U1  - 621.381 532 4/SCH/VAN 
PY  - 2003///
CY  - NEW DELHI.
PB  - OXFORD UNIVERSITY PRESS, NEW DELHI
ER  -