@misc{petersen_studies_on_1993, 
author={Petersen, W.,Wallmann, K.,Schroeer, S.,Schroeder, F.},
title={Studies on the adsorption of cadmium on hydrous iron(III) oxides in oxic sediments},
year={1993},
howpublished = {journal article},
note = {Online available at: \url{} (DOI). Petersen, W.; Wallmann, K.; Schroeer, S.; Schroeder, F.: Studies on the adsorption of cadmium on hydrous iron(III) oxides in oxic sediments. Analytica Chimica Acta. 1993. vol. 323, 323-327.}}