@misc{fritsch_polymeric_membranes_2004, 
author={Fritsch, D.,Bengtson, G.},
title={Polymeric membranes and their use in membrane reactors},
year={2004},
howpublished = {conference lecture: Ustron (PL); 17.-19.06.2004},
note = {Online available at: \url{} (DOI). Fritsch, D.; Bengtson, G.: Polymeric membranes and their use in membrane reactors. 5th Scientific Conference, Membranes and Membrane Processes in Environmental Protection. Ustron (PL), 2004.}}