@misc{hicke_a_novel_2001, 
author={Hicke, H.-G.},
title={A novel biocatalytic membrane reactor},
year={2001},
howpublished = {conference lecture: Frankfurt / M (D); 27.-28.09.2001},
note = {Online available at: \url{} (DOI). Hicke, H.: A novel biocatalytic membrane reactor. Workshop 'Catalytic Membrane Reactors'. Frankfurt / M (D), 2001.}}