%0 conference poster %@ %A Brunke, E.-G., Ebinghaus, R., Kock, H.H., Weigelt, A., Labuschagne, C., Slemr, F. %D 2012 %J 16th International Conference on Heavy Metals in the Environment, ICHMET 2012 %T Trend and seasonal variation of atmospheric mercury concentrations at the Cape Point GAW observatory, South Africa %U %X