[1] Natsiavas, S., “Steady State Oscillations and Stability of Nonlinear Dynamic Vibration Absorbers”, Journal of Sound and Vibration, Vol. 156, No. 2, pp. 227-245, (1992).
[2] Amer, Y.A., “On the Solution of Parametrically Excited Different System of Nonlinear Differential Equations”, Ph. D thesis, Department of Mathematics, Faculty of Science, Zagazig University, Egypt, (2002).
[3] Zhu, S.J., Zheng, Y.F., and Fu, Y.M., “Analysis of Nonlinear Dynamics of a Two-degree-of-freedom Vibration System with Nonlinear Damping and Nonlinear Spring”, Journal of Sound and Vibration, Vol. 271, pp. 15-24, (2004).
[4] EL-Bassiouny, A.F., “Effect of Nonlinearities in Elastomeric Material Dampers on Torsional Oscillation Control”, Applied Mathematics and Computation, Vol. 162, pp. 835-854, (2005).
[5] Amer, Y.A., and EL-Sayed, A.T., “Vibration Suppression of Nonlinear System via Nonlinear Absorber”, Communications in Nonlinear Science and Numerical Simulation, Vol. 13, pp. 1948-1963, (2008).
[6] Eissa, M., and Sayed, M., “Vibration Reduction of a Three DOF Nonlinear Spring Pendulum”, Communications in Nonlinear Science and Numerical Simulation, Vol. 13, pp. 465–488, (2008).
[7] Ji, J.C., and Zhang, N., “Suppression of Primary Resonance Vibrations of a Forced Nonlinear System using a Dynamic Vibration Absorber”, Journal of Sound and Vibration, Vol. 329, pp. 2044-2056, (2010).
[8] Ji, J.C., and Zhang, N., “Suppression of Super-harmonic Resonance Response using a Linear Vibration Absorber”, Mechanics Research Communications, Vol. 38, pp. 411-416, (2011).
[9] El-Ganaini, W.A.A., and Elgohary, H.A., “Vibration Suppression via Time-delay Absorber Described by Nonlinear Differential Equations”, Advances in Theoretical and Applied Mechanics, Vol. 4, pp. 49 – 67, (2011).
[10] Sayed, M., and Kamel, M., “1:2 and 1:3 Internal Resonance Active Absorber for Nonlinear Vibrating System”, Applied Mathematical Modeling, Vol. 36, pp. 310–332, (2012).
[11] Nayfeh, A.H., and Mook, D., “Nonlinear Oscillations”, John Wiley & Sons Inc., New York, (1979).