Potočnik, Klemen, és mtsai. „Genetic Evaluation of Milking Speed for Slovenian Holstein Cattle Regarding to Different Scoring Approaches”. Acta Agraria Kaposváriensis, köt. 10, sz. 2, 2006. július, o. 99-104, https://journal.uni-mate.hu/index.php/aak/article/view/1782.