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1
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2Digital revistaSCIELO
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3Digital revistaSCIELO
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4by Tokarnia,Carlos Hubinger, Peixoto,Paulo Vargas, Döbereiner,Jürgen, Barros,Severo Sales de, Riet-Correa,Franklin
Published 2004Digital revistaSCIELO -
5by Tokarnia,Carlos Hubinger, Armién,Anibal Guillermo, Barros,Severo Sales de, Peixoto,Paulo Vargas, Döbereiner,Jürgen
Published 1999Digital revistaSCIELO -
6by Néspoli,Pedro Brandini, Duarte,Marcos Dutra, Bezerra Jr,Pedro Soares, Döbereiner,Jürgen, Peixoto,Paulo Vargas
Published 2001Digital revistaSCIELO -
7by Driemeier,David, Barros,Severo Sales de, Peixoto,Paulo Vargas, Tokarnia,Carlos Hubinger, Döbereiner,Jürgen, Brito,Marilene de Farias
Published 1998Digital revistaSCIELO