Braig, Emanuel, Christoph Mayr, Gerald Kirchner, Andrea Hofmann, Uta Raeder, and Arnulf Melzer. 2013. “Fifty Years of Eutrophication and Lake Restoration Reflected in Sedimentary Carbon and Nitrogen Isotopes of a Small, Hardwater Lake (south Germany)”. Journal of Limnology 72 (2):e21. https://doi.org/10.4081/jlimnol.2013.e21.