@misc{wiegel_pharmaceuticals_in_2004, 
author={Wiegel, S.,Aulinger, A.,Brockmeier, R.,Harms, H.,Loeffler, J.,Reincke, H.,Schmidt, R.,Stachel, B.,Tuempling, W.v.,Wanke, A.},
title={Pharmaceuticals in the river Elbe and its tributaries},
year={2004},
howpublished = {journal article},
note = {Online available at: \url{} (DOI). Wiegel, S.; Aulinger, A.; Brockmeier, R.; Harms, H.; Loeffler, J.; Reincke, H.; Schmidt, R.; Stachel, B.; Tuempling, W.; Wanke, A.: Pharmaceuticals in the river Elbe and its tributaries. Chemosphere. 2004. vol. 57, no. 2, 107-126.}}