J. F. W. V. Bülow, “Corn (<i>Zea mays</i>) rusts (<i>Puccinia sorghi, P. polysora, Physopella zeae</i>). IV. Estimation of losses caused by the common corn rust (<i>P. sorghi</i>)”, PAB, vol. 2, no. 1, pp. 277–280, Apr. 2014.