Budai, Csilla, István Egerszegi, József Rátky, and András Kovács. “Storage of Ram Semen in Gelatin Supplemented Extender”. Acta Agraria Debreceniensis, no. 48 (July 31, 2012): 7–10. Accessed May 18, 2021. https://ojs.lib.unideb.hu/actaagrar/article/view/2444.