@misc{luedtke_nitrate_removal_1998, 
author={Luedtke, K.,Peinemann, K.-V.,Kasche, V.,Behling, R.-D.},
title={Nitrate removal of drinking water by means of catalytically active membranes},
year={1998},
howpublished = {journal article},
note = {Online available at: \url{} (DOI). Luedtke, K.; Peinemann, K.; Kasche, V.; Behling, R.: Nitrate removal of drinking water by means of catalytically active membranes. Journal of Membrane Science. 1998. vol. 151, 3-11.}}