Brazilian Archives of Biology and Technology, Vol 56, Iss 3, Pp 513-519 (2013) Brazilian Archives of Biology and Technology v.56 n.3 2013 Brazilian Archives of Biology and Technology Instituto de Tecnologia do Paraná (Tecpar) instacron:TECPAR Brazilian Archives of Biology and Technology, Volume: 56, Issue: 3, Pages: 513-519, Published: JUN 2013