Brondani, Claudio. “Isozymic Variation of Three Species of Manihot Genera (Euphorbiaceae) Morphologically Related to Cassava (Manihot Esculenta Crantz)”. Pesquisa Agropecuaria Brasileira, vol. 31, no. 4, Apr. 1996, pp. 287-9, https://doi.org/10.1590/S1678-3921.pab1996.v31.4483.