@misc{bengtson_selektive_separation_1989, 
author={Bengtson, G.,Boeddeker, K. W.},
title={Selektive Separation von Schwersiedern aus Wasser durch Pervaporation},
year={1989},
howpublished = {conference paper,conference lecture: Aachen (D); 14.-16.03.1989},
note = {Online available at: \url{} (DOI). Bengtson, G.; Boeddeker, K.: Selektive Separation von Schwersiedern aus Wasser durch Pervaporation. In: GVC/VDI (Ed.): Aachener Membran Kolloquium, Preprints. Aachen (D). 1989. 309-318.}}