@misc{ohlrogge_offgas_cleaning_1991, 
author={Ohlrogge, K.,Wind, J.,Behling, R.-D.},
title={Off-gas cleaning with membrane systems},
year={1991},
howpublished = {conference lecture: Houston, TX (USA); 07.-11.04.1991},
note = {Online available at: \url{} (DOI). Ohlrogge, K.; Wind, J.; Behling, R.: Off-gas cleaning with membrane systems. 1991 AIChE Spring Meeting, Session: Membrane Separation for Gas Processing. Houston, TX (USA), 1991.}}