A New Algorithm for the Tuning of Analog Filters - Charles J. Alajajian (1979)

Obtaining bandpass filter coefficients from low-pass prototypes. - Charles J. Alajajian (Proc. IEEE, 1986)

An algorithm for obtaining coefficients of bandpass functions from low-pass functions. - Stephen A. Dyer; Charles J. Alajajian (Proc. IEEE, 1987)

Comment on "Obtaining bandpass filter coefficients from low-pass prototypes". - Rolf Schaumann; Charles J. Alajajian (Proc. IEEE, 1987)