Weckström, Kaarina, Peter Rasmussen, Bent Vad Odgaard, Thorbjørn Joest Andersen, Tarmo Virtanen, and Jesper Olsen. “Recent Changes in the Nutrient Status of a Soft-Water Lobelia Lake, Hampen Sø, Denmark”. GEUS Bulletin 20 (July 7, 2010): 43–46. Accessed April 25, 2024. https://geusbulletin.org/index.php/geusb/article/view/4896.