Vieira, R. F., Vieira, C., & Caldas, M. T. (2000). Behavior of blackeye cowpea in the spring-summer cultivation at the Zona da Mata area of Minas Gerais State, Brazil. Pesquisa Agropecuaria Brasileira, 35(7), 1359–1365. https://doi.org/10.1590/S1678-3921.pab2000.v35.5905