Ballo, P., and J. Sýkora. “Monitoring of Alpine Marmot (Marmota Marmota Latirostris) Colonies in the West Tatra Mountains - I.”. Oecologia Montana 12, no. 1-2 (December 1, 2003): 41-50. Accessed April 15, 2021. https://om.vuvb.uniza.sk/index.php/OM/article/view/170.