1. Blakesley, T. H.: A New Electrical Theorem, Proc. Phys. Soc. London, 13, 65–67, 1994.
2. Chua, L. O. and Lin, P. M.: Computer-Aided Analysis of Electronic Circuits – Algorithms and Computational Techniques, Prentice-Hall, Englewood Cliffs, 1975.
3. Chua, L. O. and Green, D. N.: Graph-Theoretic Properties of Dynamic Nonlinear Networks. IEEE Trans. Circuits and Systems, 23, 292–312, 1976.
4. Chua, L. O., Desoer, C. A., and Kuh, E. S.: Linear and Nonlinear Circuits, McGraw-Hill, New York, 1987.
5. Desoer, C. A. and Kuh, E. S.: Basic Circuit Theory, McGraw-Hill, New York, 1969.