REFERENCES
- Howitt, N., “Group theory and the electric circuit”, Physical Review, 37 (15 June 1931).
- Carlin, H. J., “On the physical realizability of linear non-reciprocal networks”, Proc. I.R.E., 43 (May 1965), 608–16.
- Linvill, J. G., “RC active filters”, Proc. I.R.E., 42 (March 1954), 555–64.
- Guillenmin, E. A., “Theory of linear physical systems” (John Wiley & Sons Inc.), 1963, 122–23.
- Holt, A. G. J. & Linggard, R., “RC active synthesis procedure for polynomial Alters”, Proc. I.E.E., 113 (May 1966), 777–82.