@misc{wilken_mercury_problems_1994, author={Wilken, R.-D.}, title={Mercury problems in Germany and mercury species analysis}, year={1994}, howpublished = {conference lecture: Sao Paolo (BR); August 11, 1994}, note = {Online available at: \url{} (DOI). Wilken, R.: Mercury problems in Germany and mercury species analysis. Vortrag am Institut fuer Chemie der Universitaet von Campinas. Sao Paolo (BR), 1994.}}