Centeri, Csaba, Ferenc Gyulai, and Károly Penksza. “The Beginning of Nature Conservation History Concerning the Designation of Protected Areas”. JOURNAL OF LANDSCAPE ECOLOGY 5, no. 1 (July 18, 2007): 5–11. Accessed December 5, 2025. https://journal.uni-mate.hu/index.php/tl/article/view/4356.