Winkelbauer, J., Völkel, J., & Leopold, M. (2012). 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(1-2), 23–47. Retrieved from https://www.die-erde.org/index.php/die-erde/article/view/22