@misc{witter_organic_pollutants_1995, 
author={Witter, B.,Francke, W.,Knauth, H.-D.},
title={Organic pollutants in soils of the river Elbe wetlands - investigations applying a supercritical fluid extraction methodology},
year={1995},
howpublished = {conference paper,conference lecture: Uppsala (S); September 6-8, 1995},
note = {Online available at: \url{} (DOI). Witter, B.; Francke, W.; Knauth, H.: Organic pollutants in soils of the river Elbe wetlands - investigations applying a supercritical fluid extraction methodology. In: The 3rd European Symposium on Supercritical Fluid Chromatography and Extraction; Abstracts. Uppsala (S). 1995. 29.}}