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\bibitem{Lehmann_etal2005} Lehmann, J., Mock, D., \& K{\"u}hlmann, M. (2005). \textit{Der Schwimmblasenwurm Cystidicola farionis FISCHER (Fadenw{\"u}rmer/Nematoda:Spiruroidea) bei Salmoniden} (Vol. 56).

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