Brazilian Archives of Biology and Technology v.53 n.6 2010 Brazilian Archives of Biology and Technology Instituto de Tecnologia do Paraná (Tecpar) instacron:TECPAR Brazilian Archives of Biology and Technology, Vol 53, Iss 6, Pp 1477-1486 (2010) Brazilian Archives of Biology and Technology, Volume: 53, Issue: 6, Pages: 1477-1486, Published: DEC 2010