Policht, R.; Tomasova, K.; Holeckova, D.; Frynta, D. 2008. The vocal repertoire in northern white rhinoceros Ceratotherium simum cottoni as recorded in the last surviving herd. Bioacoustics 18 (1): 69-96, figs. 1-15.
Policht, R.; Tomasova, K.; Holeckova, D.; Frynta, D. 2007. Hlasovy repertoar nosorozce sirikohubeho severniho (Ceratotherium simum cottoni) vyzkum na posledni chvili S. Proceedings 34 etologicka konference, Slovenske Centrum, Niha: p. 35.






