TY  - BOOK
AU  - Lam,Harry Y-F.
TI  - Analog and digital filters: design and realization 
SN  - 0130327557
PY  - 1979///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Electric filters
N1  - Includes index and bibliographical references
ER  -