@misc{ohlrogge_membrane_r_1996, 
author={Ohlrogge, K.},
title={Membrane R und D at GKSS},
year={1996},
howpublished = {conference lecture (invited): Twente, Enschede (NL); 10.12.1996},
note = {Online available at: \url{} (DOI). Ohlrogge, K.: Membrane R und D at GKSS. Posterdag Membraantechnologie NMG Universiteit Twente. Twente, Enschede (NL), 1996.}}