1. Rabiner, L.R., and Gold, B.: Theory and Application of Digital Signal Processing, (Prentice-Hall, Englewood Cliffs, N.J. 1975)
2. Gold, B., and Rader, C.M.: Digital Processing of Signals, (McGraw-Hill, New York 1969)
3. Bogner, R.E., and Constantinides, A.G.: Introduction to Digital Filtering, (Wiley, New York and London 1975)
4. Antoniou, A.: Digital Filter Analysis and Design, (McGraw-Hill, New York 1979)