Gi., Melz, Gu. Melz, and F. Hartmann. “Genetics of a Male-Sterile Rye of ’G-type’ With Results of the First F1 –hybrids”. Plant Breeding and Seed Science 47 (June 22, 2003): 47–55. Accessed July 22, 2024. https://ojs.ihar.edu.pl/index.php/pbss/article/view/754.