@misc{ohlrogge_recovery_of_1996, 
author={Ohlrogge, K.},
title={Recovery of organic vapors from air},
year={1996},
howpublished = {conference lecture: Enschede (NL); 22.-23.02.1996},
note = {Online available at: \url{} (DOI). Ohlrogge, K.: Recovery of organic vapors from air. Toepassing van membranen bij milieuproblemen. Enschede (NL), 1996.}}