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1Digital revistaSCIELO
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2
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3Digital revistaSCIELO
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4by Dourado-Neto,Durval, Nielsen,Donald R., Hopmans,Jan W., Reichardt,Klaus, Bacchi,Osny Oliveira Santos
Published 2000Digital revistaSCIELO -
5by Bassoi,Luis Henrique, Hopmans,Jan W., Jorge,Lúcio André de Castro, Alencar,Cristina Miranda de, Silva,José Antonio Moura e
Published 2003Digital revistaSCIELO