@misc{gandrass_sources_of_2000, 
author={Gandrass, J., Behrendt, H., Eberhardt, R., Rzepka, S.},
title={Sources of contamination of sediments/dredged material with PAHs and PCBs and scenarios in the Rhine catchment area},
year={2000},
howpublished = {conference lecture (invited): Rotterdam (NL);},
note = {Gandrass, J.; Behrendt, H.; Eberhardt, R.; Rzepka, S.: Sources of contamination of sediments/dredged material with PAHs and PCBs and scenarios in the Rhine catchment area. 4th International Rhine Conference. Rotterdam (NL), 2000.}}