@misc{schroeder_nitrogen_and_1996, 
author={Schroeder, F.,Wiltshire, K. H.,Klages, D.,Mathieu, B.,Bloecker, G.,Knauth, H.-D.},
title={Nitrogen and oxygen processes in sediments of the Elbe estuary},
year={1996},
howpublished = {journal article},
note = {Online available at: \url{} (DOI). Schroeder, F.; Wiltshire, K.; Klages, D.; Mathieu, B.; Bloecker, G.; Knauth, H.: Nitrogen and oxygen processes in sediments of the Elbe estuary. Archiv fuer Hydrobiologie. 1996. vol. 110, no. 23, 311-328.}}