M. Demény, I. Gera, I. Bodó, and J. Tőzsér, “Methodological results of horn hardness measurements on Hungarian Gray Cattle bulls”, ANIM WELFARE ETOL TARTÁSTECHN, vol. 8, no. 1, pp. 127–134, Jun. 2012, Accessed: Dec. 05, 2025. [Online]. Available: https://journal.uni-mate.hu/index.php/aweth/article/view/6757