DEMÉNY, Márton; GERA, István; BODÓ, Imre; TŐZSÉR, János. Methodological results of horn hardness measurements on Hungarian Gray Cattle bulls. Animal welfare, Ethology and Housing Systems (AWETH), [S. l.], v. 8, n. 1, p. 127–134, 2012. Disponível em: https://journal.uni-mate.hu/index.php/aweth/article/view/6757. Acesso em: 5 dec. 2025.