doi> Ferreira C. ; MARANA, S. R. ; Silva C. ; Terra W.R. . Properties of digestive glycosidases and peptidases and the permeability of the peritrophic membranes of Abracris flavolineata (Orthoptera: Acrididae). Comparative Biochemistry and Physiology. Part B: Biochemistry & Molecular Biology (Print), v. 123, p. 241-250, 1999.