@misc{ohlrogge_nitrate_removal_1994, 
author={Ohlrogge, Kerstin, Peinemann, K.-V., Behling, R.-D.},
title={Nitrate removal from drinking water with catalytically active membranes},
year={1994},
howpublished = {conference lecture: Tuebingen (D);},
note = {Ohlrogge, K.; Peinemann, K.; Behling, R.: Nitrate removal from drinking water with catalytically active membranes. 7th International Symposium on Synthetic Membranes in Science and Industry. Tuebingen (D), 1994.}}