Janiga, M., M. Marenčák, A. Šoltésová, R. Šoltés, and Z. Kyselová. “A Study on the Preservation of the Tatras Region and the Plans to Hold the 2002 Winter Olympics in Northern Slovakia”. Oecologia Montana 2, no. 1-2 (December 1, 1993): 31-45. Accessed April 24, 2019. https://om.vuvb.uniza.sk/index.php/OM/article/view/29.