Oláh, János, Tamás Pécsi, András Kovács, Anna Pécsi, and András Jávor. “Tenability of Ram Semen”. Acta Agraria Debreceniensis, no. 31 (November 24, 2008): 63–66. Accessed April 20, 2024. https://ojs.lib.unideb.hu/actaagrar/article/view/3008.