@misc{gandrass_new_substances_2000, 
author={Gandrass, J., Eberhardt, R., Salomons, W.},
title={New Substances and Criteria to Watch - River Sediments and Dredged Material -},
year={2000},
howpublished = {conference lecture (invited): Rotterdam (NL);},
note = {Gandrass, J.; Eberhardt, R.; Salomons, W.: New Substances and Criteria to Watch - River Sediments and Dredged Material -. 4th International Rhine Conference. Rotterdam (NL), 2000.}}