@misc{hempel_risk_assessment_1994, 
author={Hempel, M., Chau, Y. K., Dutka, B. J., McInnis, R., Kwan, K. K., Liu, D.},
title={Risk assessment on mercury contaminated sites – toxicity of organic mercury compounds},
year={1994},
howpublished = {conference lecture: Loen (N);},
note = {Hempel, M.; Chau, Y.; Dutka, B.; McInnis, R.; Kwan, K.; Liu, D.: Risk assessment on mercury contaminated sites – toxicity of organic mercury compounds. 2. International Symposium on Speciation of Elements in Toxicology and in Environmental and Biological Sciences. Loen (N), 1994.}}