Braig, E., Mayr, C., Kirchner, G., Hofmann, A., Raeder, U., & Melzer, A. (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