@article {467,
	title = {Secondary nontwist phenomena in area-preserving maps},
	journal = {Chaos: An Interdisciplinary Journal of Nonlinear Science},
	volume = {22},
	year = {2012},
	month = {Jan-09-2012},
	pages = {033142},
	issn = {1054-1500},
	doi = {10.1063/1.4750040},
	url = {http://aip.scitation.org/doi/10.1063/1.4750040http://aip.scitation.org/doi/pdf/10.1063/1.4750040},
	author = {C. V. Abud and I. L. Caldas}
}
