1. D.B.H. Tay, S.S. Abesekera, A.P. Balasuriya, Audio signal processing via harmonic separation using variable Laguerre filters, in: Proceedings of the International Symposium on Circuits and Systems, May 2003, pp. 558–561.
2. T. Shinbo, Y. Sugita, N. Aikawa, T. Kimura, T. Moriti, Y. Wakasa, A design of the stopband variable FIR digital filters using spectral parameter, in: Proceedings of the IEEE PacRim, August 2003, pp. 90–93.
3. A method for the design of Farrow-structure based variable fractional-delay FIR filters;Eghbali;Signal Process.,2013
4. Design of allpass variable fractional delay filter with signed powers-of-two coefficients;Yu;Signal Process.,2014
5. Filtering using variable order vertical derivatives;Cooper;Comput. Geosci.,2004