Lam, Harry Y-F. Analog and digital filters : design and realization / Harry Y-F. Lam. - Englewood Cliffs, N.J. : Prentice-Hall, 1979. - 632 p. : ill. ; 24 cm. - Prentice-Hall series in electrical and computer engineering. . Includes index and bibliographical references. ISBN: 0130327557 Subjects--Topical Terms: Electric filters.