Barros, Fábio Ribeiro, et al. “Genetic Potential of Segregating Cowpea Progenies Regarding Inflorescence Type”. Pesquisa Agropecuaria Brasileira, vol. 46, no. 2, May 2011, pp. 182-9, doi:10.1590/S1678-3921.pab2011.v46.9631.