@misc{pinnau_ultrathin_multicomponent_1990, 
author={Pinnau, I., Wind, J., Peinemann, K.-V.},
title={Ultrathin multicomponent poly-(ether sulfone) membranes for gas separation made by dry/wet phase inversion},
year={1990},
howpublished = {journal article},
note = {Pinnau, I.; Wind, J.; Peinemann, K.: Ultrathin multicomponent poly-(ether sulfone) membranes for gas separation made by dry/wet phase inversion. Industrial & Engineering Chemistry Research. 1990. no. 29, 2028-2032.}}