@misc{put_geochemical_characterization_1994, 
author={Put, A. v., Grieken, R. v., Wilken, R.-D., Hudec, B.},
title={Geochemical characterization of suspended matter and sediment samples from the Elbe river by EPXMA},
year={1994},
howpublished = {journal article},
note = {Put, A.; Grieken, R.; Wilken, R.; Hudec, B.: Geochemical characterization of suspended matter and sediment samples from the Elbe river by EPXMA. Water Research. 1994. vol. 28, 643-655.}}