Kortelainen, Jarmo. “The European Green Belt: Generating Environmental Governance - Reshaping Border Areas”. Quaestiones Geographicae 29, no. 4 (December 20, 2010): 27–40. Accessed July 17, 2024. https://pressto.amu.edu.pl/index.php/qg/article/view/v10117-010-0029-y.