@misc{schwarz_membranes_based_2001, 
author={Schwarz, H.-H.,Apostel, R.,Paul, D.},
title={Membranes based on polyelectrolyte-surfactant complexes for methanol separation},
year={2001},
howpublished = {journal article},
note = {Online available at: \url{} (DOI). Schwarz, H.; Apostel, R.; Paul, D.: Membranes based on polyelectrolyte-surfactant complexes for methanol separation. Journal of Membrane Science. 2001. vol. 194, no. 1, 91-102.}}