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First Author:
 
Pedro Hemsley
UFRJ
pedro.hemsley@ie.ufrj.br
 
Avenida Pasteur, 250, Sala 108
Rio de Janeiro, 22.290-240, Brazil
 
+5521981198363(Phone)
+5521981198363(Fax)

Second Author:

Marcio Firmo
PUC-Rio
marciogoldfirmo@gmail.com
 
 
 
 

Third Author:

Vitor Onuki
UFRJ
vitoronuki@yahoo.com.br