@misc{hempel_temporal_variations_1996, 
author={Hempel, M.,Wilken, R.-D.,Schaule, G.},
title={Temporal variations of mercury and its organic mercury species at the sites of three former caustic soda plants},
year={1996},
howpublished = {conference paper,conference lecture: Hamburg (D); August 4-8, 1996},
note = {Online available at: \url{} (DOI). Hempel, M.; Wilken, R.; Schaule, G.: Temporal variations of mercury and its organic mercury species at the sites of three former caustic soda plants. In: Proceedings of the 4th International Conference on Mercury as a Global Pollutant. Hamburg (D). 1996. 148.}}