@misc{paul_membrane_separation_1996, 
author={Paul, D.},
title={Membrane separation processes for clean production},
year={1996},
howpublished = {conference paper,conference lecture: San Diego, CA (USA); July 14-18, 1996},
note = {Online available at: \url{} (DOI). Paul, D.: Membrane separation processes for clean production. In: 5th World Congress of Chemical Engineering; World Congress Proceedings Preprint. San Diego, CA (USA). 1996. 711-714.}}