da Costa, Joaquim Geraldo Cáprio, et al. “Breeding Black Seeded Dry Bean Lines Resistant to Anthracnose and Desirable Agronomical Characteristics”. Pesquisa Agropecuaria Brasileira, vol. 28, no. 9, Sept. 1993, pp. 1025-9, doi:10.1590/S1678-3921.pab1993.v28.3966.