1. Jian-Guo Ma and I. Wolff, „The chaotic oscillation of a single Josephson junction with external magnetic fields,“IEEE Trans. Magnetic, May 1996 (in print).
2. S. Mass,Nonlinear Microwave Circuits, Norwood, MA: Artech House, 1988.
3. X. Tuo,Charge-Based Nonlinear Modeling of GaAs MESFETs for Circuit Simulations, Düsseldorf: VDI-Verlag, 1994.
4. M.I. Sobhy, E.A. Hosny, and A.A.A. Nasser, „Chaos in microwave networks,“ in:1992 The Second Int. Workshop on Integrated Nonlinear Microwave Circuits (INMMC'92), Duisburg, Germany, Oct. 7–9, 1992, pp. 13–27.
5. H. Floberg and S. Mattisson, „Symbolic distortion analysis of nonlinear elements in feedback amplifiers using describing functions,“Int. J. Circuit Theory and Appl., vol.23, pp. 345–356, 1995.