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Brazilian Journal of Physics > 2014 > 44 > 6 > 638-644
Astrophysics and Space Science > 2014 > 353 > 1 > 123-130
Journal of the Korean Physical Society > 2014 > 65 > 11 > 1863-1872
Journal of the Korean Physical Society > 2014 > 65 > 11 > 1883-1889