Winkelbauer, Jennifer, Jörg Völkel, and Matthias Leopold. “A Novel Approach to Monitoring the Cs-137 Contamination of Forest Soils in Bavaria, Germany”. DIE ERDE – Journal of the Geographical Society of Berlin 143, no. 1-2 (September 17, 2012): 23–47. Accessed November 21, 2024. https://die-erde.de/index.php/die-erde/article/view/22.