@misc{ahrens_temporal_and_2008, 
author={Ahrens, L.,Xie, Z.,Siebert, U.,Ebinghaus, R.},
title={Temporal and Spatial Trends of Polyfluorinated Compounds in Common Seals (Phoca vitulina) from the North and Baltic Sea},
year={2008},
howpublished = {conference poster: Beijing (VRC); 21.-24.09.2008},
note = {Online available at: \url{} (DOI). Ahrens, L.; Xie, Z.; Siebert, U.; Ebinghaus, R.: Temporal and Spatial Trends of Polyfluorinated Compounds in Common Seals (Phoca vitulina) from the North and Baltic Sea. In: 5th International Symposium on Persistent Toxic Substances. Beijing (VRC). 2008.}}