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ralph lauren polo


First Author:
 
Sergio Da Silva
Department of Economics, University of Brasilia
SergioDaSilva@angelfire.com
 
 
 
 

Second Author:

Raul Matsushita
Department of Statistics, University of Brasilia
raulmta@unb.br
 
 
 
 

Third Author:

Iram Gleria
Department of Physics, Catholic University of Brasilia
iramgl@bol.com
 
Department of Physics, Catholic University of Brasilia
Taguatinga, 72030-170, Brazil