1. Artstein, Z.: The pendulum under vibrations revisited. Nonlinearity 34(1), 394–410 (2021)
2. Baillieul, J.: Stable average motions of mechanical systems subject to periodic forcing. In: Enos, M.J. (ed.) Dynamics and Control of Mechanical Systems: The Falling Cat and Related Problems, pp. 1–23. American Mathematical Society, Providence (1993)
3. Baillieul, J.: The geometry of controlled mechanical systems. In: Baillieul, J., Willems, J.C. (eds.) Mathematical Control Theory, pp. 322–354. Springer, Berlin (1999)
4. Baillieul, J.: Averaging methods for force controlled and acceleration controlled Lagrangian systems. In: Proceedings of IEEE Conference on Decision and Control, Sydney, Australia, pp. 1266–1272 (December 2000)
5. Baillieul, J., Weibel, S.: Scale dependence in the oscillatory control of micromechanisms. In: Proceedings of Conference on Decision and Control, Tampa, FL, pp. 3058–3063 (December 1998)