@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);},
note = {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.}}