J. F. W. V. Bülow, “Corn (Zea mays) rusts (Puccinia sorghi, P. polysora, Physopella zeae). IV. Estimation of losses caused by the common corn rust (P. sorghi)”, PAB, vol. 2, no. 1, pp. 277–280, Apr. 2014, doi: 10.1590/S1678-3921.pab1967.v2.17905.