@misc{groth_membrane_based_2001, 
author={Groth, T., Werner, C.},
title={Membrane based Biomaterials},
year={2001},
howpublished = {conference lecture: Geesthacht (D);},
note = {Groth, T.; Werner, C.: Membrane based Biomaterials. GeMeD 2001, Geesthacht Membrane Days. Geesthacht (D), 2001.}}