LAZÁR, Peter et al. Fatal uterine prolapse in a female European bison (bison bonasus L.). In Croatian and International Symposium on Agriculture. 49th Croatian & 9th International Symposium on Agriculture, 16th - 21nd February 2014, Dubrovnik, Croatia : Book of Abstracts. 1. vyd. - Osijek : University of Josip Juraj Strossmayer, 2014. ISBN 978-953-7871-23-9, s. 153.