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First Author:
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Sergio Da Silva |
Department of Economics, Federal University of Rio Grande Do Sul, Brazil |
SergioDaSilva@angelfire.com |
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Rua Sofia Veloso 156/804 |
Porto Alegre, 90050140, Brazil |
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+55 51 3316 4164(Phone) |
+55 51 3316 4164(Fax) |
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Second Author:
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Annibal Figueiredo |
Department of Physics, University of Brasilia |
annibal@fis.unb.br |
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Third Author:
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Iram Gleria |
Department of Physics, Federal University of Alagoas |
iram@fis.ufal.br |
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Fourth Author:
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Raul Matsushita |
Department of Statistics, University of Brasilia |
raulmta@unb.br |
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