TY  - BOOK
AU  - Hilburn,John L.
AU  - Johnson,David E.
TI  - Manual of active filter design
SN  - 0070287597
AV  - TK7872.F5 H5
U1  - 621.381 532 HIL J 
PY  - 1973///]
CY  - New York
PB  - McGraw-Hill
KW  - Electric filters, Active
KW  - Electronic circuit design
KW  - Electronics
KW  - Graphic methods
N1  - Includes bibliographical references
ER  -