@misc{HaemmerlingRueckerBehrendtetal., author = {H{\"a}mmerling, Ronny and R{\"u}cker, Jacqueline and Behrendt, Horst and Nixdorf, Brigitte}, title = {Development of phosphorus input in Lake Scharm{\"u}tzelsee, Germany, and the changes in phosphorus balance}, series = {Verhandlungen, International Association of Theoretical and Applied Limnology}, volume = {29}, journal = {Verhandlungen, International Association of Theoretical and Applied Limnology}, number = {3}, issn = {0368-0770}, pages = {1639 -- 1641}, language = {en} } @incollection{MischkeBehrendtNixdorf, author = {Mischke, Ute and Behrendt, Horst and Nixdorf, Brigitte}, title = {Die Bedeutung des Phytoplanktons f{\"u}r die Bewertung staugeregelter Fl{\"u}sse nach WRRL}, series = {Staugeregelte Fl{\"u}sse in Deutschland}, booktitle = {Staugeregelte Fl{\"u}sse in Deutschland}, editor = {M{\"u}ller, Dieter and Sch{\"o}l, Andreas and Bergfeld, Tanja and Strunck, Yvonne}, publisher = {Schweizerbart}, address = {Stuttgart}, isbn = {978-3-510-53010-6}, pages = {311 -- 329}, language = {de} }