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2. G. S. Moschytz, Linear Integrated Networks: Design, New York: Van Nostrand Reinhold, 1975.
3. G. S. Moschytz, Single-amplifier active filters: a review, Scientia Electrica, Vol.26, No. 1, 1980, pp. 1–46.
4. E. Christian and E. Eisenmann, Filter Design Tables and Graphs, New York: Wiley, 1966.
5. A. I. Zverev, Handbook of Filter Synthesis, New York: Wiley, 1967.