@misc{fritsch_preparation_of_2004, author={Fritsch, D.}, title={Preparation of membranes with and without catalytic activity. A) Polymeric membranes}, year={2004}, howpublished = {conference lecture (invited): Lahnstein (D); 06.-09.07.2004}, note = {Online available at: \url{} (DOI). Fritsch, D.: Preparation of membranes with and without catalytic activity. A) Polymeric membranes. Workshop of the 6th International Conferecence on Catalysis in Membrane Reactors. Lahnstein (D), 2004.}}