@misc{paul_membranes_overview_1996, 
author={Paul, D.,Peinemann, K.-V.},
title={Membranes (Overview)},
year={1996},
howpublished = {book part},
note = {Online available at: \url{} (DOI). Paul, D.; Peinemann, K.: Membranes (Overview). In: Salamone, J. (Ed.): The polymeric materials encyclopedia. Boca Raton: CRC Press. 1996. 4074-4082.}}