Brazilian Journal of Physics
Brazilian Journal of Physics > 2012 > 42 > 1-2 > 20-27
Brazilian Journal of Physics > 2014 > 44 > 2-3 > 286-288
Brazilian Journal of Physics > 2015 > 45 > 4 > 399-403
Brazilian Journal of Physics > 2017 > 47 > 1 > 42-45
Brazilian Journal of Physics > 2019 > 49 > 5 > 615-622