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\bibitem{Schmidt1998} Schmidt, A. (1998). \textit{Zur Aut{\"o}kologie der Flunder Pleuronectes flesus LINNAEUS, 1758 in der Aue/L{\"u}he, Nebengew{\"a}sser der Unterelbe, Niedersachsen}. Diploma thesis, Carolo-Wilhelmina-Universit{\"a}t, Branschweig.

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