@article {454,
	title = {Nontwist symplectic maps in tokamaks},
	journal = {Communications in Nonlinear Science and Numerical Simulation},
	volume = {17},
	year = {2012},
	month = {Jan-05-2012},
	pages = {2021 - 2030},
	issn = {10075704},
	doi = {10.1016/j.cnsns.2011.05.040},
	url = {http://linkinghub.elsevier.com/retrieve/pii/S1007570411002875http://api.elsevier.com/content/article/PII:S1007570411002875?httpAccept=text/xmlhttp://api.elsevier.com/content/article/PII:S1007570411002875?httpAccept=text/plain},
	author = {I. L. Caldas and R L Viana and J.D. Szezech and J. S. E. PORTELA and J. D. da Fonseca and M Roberto and Caroline G. L. Martins and da Silva, E.J.}
}
