Kiss, Imre, e Vasile Alexa. “Ecological Restoration Activities for Long-Term Preservation of the Alpine and Sub-Alpine Habitats in the Retezat National Park”. TÁJÖKOLÓGIAI LAPOK 13, no. 1 (julho 19, 2015): 33–43. Acesso em dezembro 5, 2025. https://journal.uni-mate.hu/index.php/tl/article/view/3659.