@misc{wilken_mercury_contamination_1995, 
author={Wilken, R.-D., Hempel, M., Richter-Politz, I.},
title={Mercury contamination and decontamination},
year={1995},
howpublished = {conference lecture: Hamburg (D);},
note = {Wilken, R.; Hempel, M.; Richter-Politz, I.: Mercury contamination and decontamination. In: Wilken, R.; Foerstner, U.; Knoechel, A. (Ed.): Heavy Metals in the Environment. Hamburg (D). 1995. 42-51.}}