@misc{sengbusch_future_of_1994, 
author={Sengbusch, G. v.},
title={Future of membranes – technological and economical aspects},
year={1994},
howpublished = {conference lecture (invited): Tuebingen (D); 28.-29. August 1994},
note = {Online available at: \url{} (DOI). Sengbusch, G.: Future of membranes – technological and economical aspects. 7th International Symposium on Synthetic Membranes in Science and Industry. Tuebingen (D), 1994.}}