@misc{foerstner_metal_pollution_1988, 
author={Foerstner, U.,Schoer, J.,Knauth, H.-D.},
title={Metal pollution in the tidal Elbe river},
year={1988},
howpublished = {conference lecture: Quebec (CDN); October 10-14, 1988},
note = {Online available at: \url{} (DOI). Foerstner, U.; Schoer, J.; Knauth, H.: Metal pollution in the tidal Elbe river. Fate and Effects of Toxic Chemicals in Large Rivers and their Estuaries; Proceedings of an International Symposium. Quebec (CDN), 1988.}}