1. Chaos: a tutorial for engineers;Parker;Proc. IEEE,1987
2. Chaos in simple power system;Chiang;IEEE Trans. Power Systems,1993
3. Nonlinear Oscillations, Dynamical Systems and Bifurcations of Vector Fields;Guckenheimer,1986
4. Nonlinear Control Systems and Power System Dynamics;Lu,2001
5. Bifurcations, chaos, and crises in voltage collapse of a model power system;Wang;IEEE Trans. Circuits System-I: Fundam. Theory Appl.,1994