@misc{ebinghaus_atmospheric_mercury_1999, 
author={Ebinghaus, R.},
title={Atmospheric mercury species over Europe},
year={1999},
howpublished = {conference lecture (invited): Helsinki (FIN); 13.01.1999},
note = {Online available at: \url{} (DOI). Ebinghaus, R.: Atmospheric mercury species over Europe. Colloquium University of Finland. Helsinki (FIN), 1999.}}