@misc{ohlrogge_membrane_applications_1999, 
author={Ohlrogge, K.,Wind, J.,Stuerken, K.},
title={Membrane applications to separate VOCs in the chemical industry},
year={1999},
howpublished = {conference lecture: Cape Town (ZA); 07.-08.10.1999},
note = {Online available at: \url{} (DOI). Ohlrogge, K.; Wind, J.; Stuerken, K.: Membrane applications to separate VOCs in the chemical industry. National Association for Clean Air, Conference: Into the next millenium. Cape Town (ZA), 1999.}}