Molnár, Marcell, István Nagy, Tamás Molnár, and Ferenc Bogenfürst. 2006. “Animal Welfare Aspects of Goose Liver Production Without Force Feeding: Selection Possibilities for Behaviour Forms”. Acta Agraria Kaposváriensis 10 (2): 223-27. https://journal.uni-mate.hu/index.php/aak/article/view/1798.