Brazilian Journal of Physics
Brazilian Journal of Physics > 2014 > 44 > 1 > 19-29
Brazilian Journal of Physics > 2014 > 44 > 2-3 > 202-207
Brazilian Journal of Physics > 2014 > 44 > 1 > 19-29
Brazilian Journal of Physics > 2014 > 44 > 2-3 > 202-207