@misc{schroeder_field_intercomparison_1994, 
author={Schroeder, W. H.,Keeler, G.,Kock, H. H.,Roussel, P.,Schneeberger, D.,Schaedlich, F.},
title={Field intercomparison of atmospheric mercury measurement methods},
year={1994},
howpublished = {conference lecture: Whistler (CDN); July 10-14, 1994},
note = {Online available at: \url{} (DOI). Schroeder, W.; Keeler, G.; Kock, H.; Roussel, P.; Schneeberger, D.; Schaedlich, F.: Field intercomparison of atmospheric mercury measurement methods. International Conference on Mercury as a Global Pollutant. Whistler (CDN), 1994.}}