@misc{wilken_risk_assessment_1994, 
author={Wilken, R.-D.,Hempel, M.,Miess, R.,Hertwig, J.},
title={Risk assessment on mercury contaminated sites – Behaviour of mercury and its species in lysimeter experiments},
year={1994},
howpublished = {conference lecture: Whistler (CDN); July 14, 1994},
note = {Online available at: \url{} (DOI). Wilken, R.; Hempel, M.; Miess, R.; Hertwig, J.: Risk assessment on mercury contaminated sites – Behaviour of mercury and its species in lysimeter experiments. International Conference on Mercury as a Global Pollutant. Whistler (CDN), 1994.}}