@misc{schmolke_gradient_of_1996, 
author={Schmolke, S. R.,Schroeder, W. H.,Kock, H. H.,Schneeberger, D.,Munthe, J.,Ebinghaus, R.},
title={Gradient of atmospheric mercury concentration from central Germany to central Sweden},
year={1996},
howpublished = {conference lecture: Hamburg (D); August 4-8, 1996},
note = {Online available at: \url{} (DOI). Schmolke, S.; Schroeder, W.; Kock, H.; Schneeberger, D.; Munthe, J.; Ebinghaus, R.: Gradient of atmospheric mercury concentration from central Germany to central Sweden. 4th International Conference on Mercury as a Global Pollutant. Hamburg (D), 1996.}}