@misc{fritsch_update_of_2007, 
author={Fritsch, D.,Heinrich, K.,Dijkstra, M.,Buhr, K.},
title={Update of solvent resistant nanofiltration membranes developed at GKSS},
year={2007},
howpublished = {conference lecture: Orlando, FL (USA); 12.-16.05.2007},
note = {Online available at: \url{} (DOI). Fritsch, D.; Heinrich, K.; Dijkstra, M.; Buhr, K.: Update of solvent resistant nanofiltration membranes developed at GKSS. NAMS 2007. Orlando, FL (USA), 2007.}}