1. Erzwungene Schwingungen bei veränderlicher Eigenfrequenz und ihre technische Bedeutung;Duffing,1918
2. Remarks on stochastic resonance;Debnath;Phys Rev A,1989
3. The Duffing equation: nonlinear oscillators and their behaviour;Kovacic,2011
4. Chaos in nonlinear oscillators: controlling and synchronization;Lakshmanan,1996
5. A curved-beam bistable mechanism;Qiu;J Microelectromech Syst,2004