Journal Article
Matuszak, A.; Voigt, C. C.; Storch, I.; Bauer, H.-G.; Quillfeldt, P.: Depth-specific and spatiotemporal variation of delta C-13 and delta N-15 in Charophytes of Lake Constance: Implications for food web studies. Rapid Communications in Mass Spectrometry
25 (14), pp. 2089 - 2094 (2011)