%0 conference lecture %@ %A Schmolke, S. R.,Ebinghaus, R.,Schroeder, W. H.,Kock, H. H.,Munthe, J. %D 1999 %J 5th International Conference on Mercury as a Global Pollutant %N %P %T Simultaneous measurements of atmospheric mercury at four European sites on a 800 km south-to-north transect in summer 95 and winter 97 %U %X