Karolyi, Danijel, et al. “Carcass Traits of Young Simmental Bulls and Heifers Classified According to the EUROP System”. Acta Agraria Kaposváriensis, vol. 10, no. 2, July 2006, pp. 135-41, https://journal.uni-mate.hu/index.php/aak/article/view/1787.