M. da S. Santos, P. I. B. Carneiro, G. Wosiacki, C. L. de O. Petkowicz, and E. B. B. Carneiro, “Physicochemical characterization, extraction and analysis of pectins from fruit of Campomanesia Xanthocarpa B. (Gabiroba)”, Semina: Ciênc. Agrár., vol. 30, no. 1, pp. 101–106, Jul. 2009.