Nguetseng, R.; Fliedner, A.; Knopf, B.; Lebreton, B.; Quack, M.; Rüdel, H. (2015). Retrospective monitoring of mercury in fish from selected European freshwater and estuary sites. Chemosphere 134: 427-434. http://dx.doi.org/10.1016/j.chemosphere.2015.04.094, meer
