@misc{xie_polyfluorinated_compounds_2008, 
author={Xie, Z.,Ahrens, L.,Sturm, R.,Ebinghaus, R.},
title={Polyfluorinated compounds in the air and surface water in the coastal environment},
year={2008},
howpublished = {conference lecture: Beijing (VRC); 21.-24.09.2008},
note = {Online available at: \url{} (DOI). Xie, Z.; Ahrens, L.; Sturm, R.; Ebinghaus, R.: Polyfluorinated compounds in the air and surface water in the coastal environment. 5th International Symposium on Persistent Toxic Substances. Beijing (VRC), 2008.}}