@misc{cornelis_introduction_of_1999, 
author={Cornelis, R.,Camara, C.,Ebdon, L.,Neidhart, B.},
title={Introduction of the EU-network on trace element speciation: preparing for the 21st century},
year={1999},
howpublished = {journal article},
note = {Online available at: \url{} (DOI). Cornelis, R.; Camara, C.; Ebdon, L.; Neidhart, B.: Introduction of the EU-network on trace element speciation: preparing for the 21st century. Fresenius Journal of Analytical Chemistry. 1999. vol. 363, 435-438.}}