1. T. Stojanovski, L. Kocarev, IEEE Trans. Fundam. Theory Applications: Circuits Syst. I 48, 281 (2001)
2. Z. Hong, D. Ji-Xue, 2010 International Conference on Computer Application and System Modeling (ICCASM, New York, 2010)
3. G. Heidari-Bateni, D.C. McGillem, IEEE Trans. Commun. 42, 1524 (1994)
4. C. Grebogi, E. Ott, Phys. Rev. Lett. 70, 3031 (1993)
5. L. Kocarev, G. Jakimoski, Z. Tasev, Chaos Cont. 2003, 247 (2003)