Brazilian Journal of Physics
Brazilian Journal of Physics > 2013 > 43 > 3 > 130-136
Brazilian Journal of Physics > 2017 > 47 > 6 > 617-627
Brazilian Journal of Physics > 2018 > 48 > 6 > 592-596
Brazilian Journal of Physics > 2013 > 43 > 3 > 130-136
Brazilian Journal of Physics > 2017 > 47 > 6 > 617-627
Brazilian Journal of Physics > 2018 > 48 > 6 > 592-596