Rangel, Paulo Hideo N., et al. “The Genetic Base of Brazilian Irrigated Rice (<i>Oryza sativa< I> L.) Cultivars”. Pesquisa Agropecuaria Brasileira, vol. 31, no. 5, May 1996, pp. 349-57, doi:10.1590/S1678-3921.pab1996.v31.4491.