Jackowiak, Bogdan. “Man-Made Changes in Flora and Vegetation: A Sketch to a Scientific Portrait of Professor Herbert Sukopp”. Biodiversity: Research and Conservation 60 (December 1, 2020): 23–38. Accessed July 18, 2024. https://pressto.amu.edu.pl/index.php/biorc/article/view/biorc-2020-0012.