[1]
K. Weckström, P. . Rasmussen, B. Vad Odgaard, T. . Joest Andersen, T. Virtanen, and J. Olsen, “Recent changes in the nutrient status of a soft-water Lobelia lake, Hampen Sø, Denmark”, GEUS Bulletin, vol. 20, pp. 43–46, Jul. 2010.