1. F. F. Kuo, Network Analysis and Synthesis (Wiley, New York and London, 1962) chapter 12.
2. C. M. Rader and B. Gold. ‘Digital Filter Design in the Frequency Domain’, Proc. IEEE, 55 (1967) 149–71.
3. H. J. Blinchikoff and A. I. Zverev, Filtering in the Time and Frequency Domains (Wiley, New York and London, 1976) chapter 9.
4. L. R. Rabiner and B. Gold, Theory and Application of Digital Signal Processing (Prentice-Hall, Englewood Cliffs, N.J., 1975).
5. S. A. Tretter, Introduction to Discrete-time Signal Processing (Wiley, New York and London, 1976).