Ribeiro, Nerinéia Dalfollo, et al. “Amino Acid Composition in Common Bean Cultivars and Applications for Genetic Breeding”. Pesquisa Agropecuaria Brasileira, vol. 42, no. 10, Oct. 2007, pp. 1393-9, doi:10.1590/S1678-3921.pab2007.v42.7710.