@article {465,
	title = {Dynamical changes from harmonic vibrations of a limited power supply driving a Duffing oscillator},
	journal = {Nonlinear Dynamics},
	volume = {70},
	year = {2012},
	month = {Jan-10-2012},
	pages = {401 - 407},
	issn = {0924-090X},
	doi = {10.1007/s11071-012-0463-6},
	url = {http://link.springer.com/10.1007/s11071-012-0463-6http://www.springerlink.com/index/pdf/10.1007/s11071-012-0463-6},
	author = {~Nbendjo, B. R. and I. L. Caldas and R L Viana}
}
