TY  - BOOK
AU  - Pactitis,S.A.
TI  - Active filters: theory and design 
SN  - 1420054767 (alk. paper)
PY  - 2008///
CY  - Boca Raton
PB  - CRC Press
KW  - Electric filters, Active
KW  - Design and construction
N1  - Includes bibliographical references (p. 269-270) and index
UR  - http://www.loc.gov/catdir/toc/ecip0716/2007017798.html
ER  -