@article {593,
	title = {The structure of chaotic magnetic field lines in a tokamak with external nonsymmetric magnetic perturbations},
	journal = {IEEE Transactions on Plasma Science},
	volume = {29},
	year = {2001},
	month = {Dec-31-1969},
	pages = {617 - 631},
	issn = {00933813},
	doi = {10.1109/27.940957},
	url = {http://ieeexplore.ieee.org/document/940957/},
	author = {Elton C. da Silva and I. L. Caldas and R L Viana}
}
