@misc{gandrass_pesticide_contamination_1999, 
author={Gandrass, J.,Zoll, M.},
title={Pesticide contamination of the river Elbe - quality criteria and priority compounds},
year={1999},
howpublished = {conference poster: Leipzig (D); 25.-29.05.1999},
note = {Online available at: \url{} (DOI). Gandrass, J.; Zoll, M.: Pesticide contamination of the river Elbe - quality criteria and priority compounds. In: 9th Annual Meeting of SETAC - Europe, Quality of Life and Environment in Cultured Landcapes. Leipzig (D). 1999. 16.}}