TY - BOOK AU - Lam,Harry Y.F. TI - Analog and digital filters ; design and realization T2 - Prentice-Hall series in electrical and computer engineering SN - 0130327557 U1 - 621.3815/32 PY - 1979/// CY - Englewood Cliffs, N.J. PB - Prentice-Hall KW - Electric filters ER -