by Leonel, Edson D., da Silva, J.Kamphorst Leal, Kamphorst, Sylvie O.
Published in Physica A (15.01.2004)

by Silva, Jafferson Kamphorst Leal da, Ladeira, Denis Gouvêa, Leonel, Edson D., McClintock, P. V. E., Kamphorst, Sylvie O.
Published in Brazilian journal of physics (01.09.2006)

by Jafferson Kamphorst Leal da Silva, Denis Gouvêa Ladeira, Edson D. Leonel, P. V. E. McClintock, Sylvie O. Kamphorst
Published in Brazilian journal of physics (2006)