@misc{jia_preparation_and_1991, 
author={Jia, M.-D.,Peinemann, K.-V.,Behling, R.-D.},
title={Preparation and characterization of thin-film zeolithe-PDMS composite membranes},
year={1991},
howpublished = {conference paper,conference lecture: Enschede (NL); June 25-28, 1991},
note = {Online available at: \url{} (DOI). Jia, M.; Peinemann, K.; Behling, R.: Preparation and characterization of thin-film zeolithe-PDMS composite membranes. In: University of Twente (Ed.): International Symposium: Progress in Membrane Science and Technology. Enschede (NL). 1991. 40-4.}}