Potočnik, Klemen, Vesna Gantner, Miran Štepec, Sonja Jovanovac, és Jurij Krsnik. 2006. „Genetic Evaluation of Milking Speed for Slovenian Holstein Cattle Regarding to Different Scoring Approaches”. Acta Agraria Kaposváriensis 10 (2):99-104. https://journal.ke.hu/index.php/aak/article/view/1782.