Belić, T. (2002) „Effects of rapid inbreeding on sow fertility traits in a closed herd of Swedish Landrace”, Acta Agraria Kaposváriensis, 6(2), o. 189–193. Elérhető: https://journal.uni-mate.hu/index.php/aak/article/view/1672 (Elérés: 5 december 2025).