Tomiałojć, Ludwik. “Spatial Protection of Nature in the Light of the Threats of Upcoming Decades”. Acta Universitatis Lodziensis. Folia Biologica et Oecologica 1 (January 1, 2002): 5–38. Accessed March 13, 2025. https://czasopisma.uni.lodz.pl/biologica/article/view/20201.