@misc{willumeit_biological_multilayer_2002, 
author={Willumeit, R., Kamusewitz, H., Schossig, M., Clemens, H.},
title={Biological Multi-layer Systems as Implant Surface Modification},
year={2002},
howpublished = {conference poster: Essen (D);},
note = {Willumeit, R.; Kamusewitz, H.; Schossig, M.; Clemens, H.: Biological Multi-layer Systems as Implant Surface Modification. In: 5th International Essen Symposium on Biomaterials. Essen (D). 2002.}}