B. Logar, M. Kovač, and Špela P. Malovrh, “Estimation of genetic parameters for litter size in pigs from different genetic groups”, AAK, vol. 3, no. 2, pp. 135–143, Jul. 1999, Accessed: Jan. 31, 2026. [Online]. Available: https://journal.uni-mate.hu/index.php/aak/article/view/1372