Lenz, Sebastian, Nathalie Dubois, Juergen Geist, and Uta Raeder. 2020. “Phacotus Lenticularis Content in Carbonate Sediments and Epilimnion in Four German Hard Water Lakes: P. Lenticularis Content in German Hard-Water Lakes”. Journal of Limnology 79 (2). https://doi.org/10.4081/jlimnol.2020.1945.