@misc{blicke_ultrafiltration_membranes_1993, 
author={Blicke, C.,Peinemann, K.-V.,Pereira Nunes, S.},
title={Ultrafiltration membranes from poly(ether sulfonamide) poly(ether imide) blends},
year={1993},
howpublished = {journal article,GKSS report},
note = {Online available at: \url{} (DOI). Blicke, C.; Peinemann, K.; Pereira Nunes, S.: Ultrafiltration membranes from poly(ether sulfonamide) poly(ether imide) blends. Journal of Membrane Science. 1993. vol. 79, 83-91.}}