@misc{ulbricht_novel_enzymemembrane_1999, 
author={Ulbricht, M.,Hicke, H.-G.,Becker, M.,Radosta, S.,Heyer, A. G.},
title={Novel enzyme-membrane reactor for polysaccharide synthesis},
year={1999},
howpublished = {conference lecture (invited): Leipzig (D); 02.-05.03.1999},
note = {Online available at: \url{} (DOI). Ulbricht, M.; Hicke, H.; Becker, M.; Radosta, S.; Heyer, A.: Novel enzyme-membrane reactor for polysaccharide synthesis. ISEB '99: International Society for Environmental Biotechnology. Leipzig (D), 1999.}}