Mudstock, Cláudio Mário. “Effects of Row Width and Plant Population on an Early Type of Maize (Zea Mays)”. Pesquisa Agropecuaria Brasileira, vol. 13, no. 1, Apr. 2014, pp. 13-18, https://doi.org/10.1590/S1678-3921.pab1978.v13.16741.