GREGOVÁ, Gabriela et al. Analysis of bacterial contamination of the environment on dairy farm. In ISAH. Animal hygiene and welfare in livestock production - the first step to food hygiene, June 7-11, 2015, Košice, Slovakia : Proceedings of the XVII international congress of the international society for animal hygiene. 1. vyd. - Košice : UVLF, 2015. ISBN 978-80-8077-462-2, s. 253-255.