@misc{schroeder_apparatus_for_1988, 
author={Schroeder, F.,Bloecker, G.,Knauth, H.-D.},
title={Apparatus for the investigation of microbial reaction rates in sediment suspensions},
year={1988},
howpublished = {journal article,GKSS report},
note = {Online available at: \url{} (DOI). Schroeder, F.; Bloecker, G.; Knauth, H.: Apparatus for the investigation of microbial reaction rates in sediment suspensions. Analytica Chimica Acta. 1988. vol. 213, 221-225.}}