Rodríguez-Herrera, R., et al. “Genetic Control and Heritability of Resistance to Grain Mold in F2:5 Sorghum Families With Non-Pigmented Testa”. Plant Breeding and Seed Science, vol. 55, June 2007, pp. 31-42, http://ojs.ihar.edu.pl/index.php/pbss/article/view/630.