@misc{ahrens_temporal_trends_2009, 
author={Ahrens, L., Siebert, U., Ebinghaus, R.},
title={Temporal trends of polyfluoroalkyl compounds in harbor seals (Phoca vitulina) from the German Bight},
year={2009},
howpublished = {conference lecture: Goeteborg (S);},
note = {Ahrens, L.; Siebert, U.; Ebinghaus, R.: Temporal trends of polyfluoroalkyl compounds in harbor seals (Phoca vitulina) from the German Bight. Protecting ecosystem health: facing the challenge of a globally changing environment, SETAC Europe 19th Annual Meeting. Goeteborg (S), 2009.}}