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First Author:
 
Luiz A. Esteves
Federal University of Paraná and University of Siena
esteves@ufpr.br
 
Avenida Celso Garcia 5885, bloco 2 apto. 51 Bairro Tatuapé
São Paulo, 03063-000, Brazil
 
005511-61930627(Phone)
005511-61930627(Fax)
http://www.sitenarede.com/luiz_esteves/