@misc{knauth_behaviour_of_1991, 
author={Knauth, H.-D.,Bruhn, G.,Bormann, G.,Gandrass, J.,Sturm, R.,Weiss, B.},
title={Behaviour of organomicropollutants and selected heavy metals in the Elbe estuary},
year={1991},
howpublished = {conference lecture: Athen (GR); 10-12. September 1991},
note = {Online available at: \url{} (DOI). Knauth, H.; Bruhn, G.; Bormann, G.; Gandrass, J.; Sturm, R.; Weiss, B.: Behaviour of organomicropollutants and selected heavy metals in the Elbe estuary. International Conference Chemicals in the Environment. Athen (GR), 1991.}}