@misc{willumeit_biological_multilayer_2003, 
author={Willumeit, R., Feyerabend, F., Kamusewitz, H., Schossig, M., Clemens, H.},
title={Biological Multi-layer Systems as Implant Surface Modification},
year={2003},
howpublished = {journal article},
doi = {https://doi.org/10.1002/mawe.200300718},
note = {Online available at: \url{https://doi.org/10.1002/mawe.200300718} (DOI). Willumeit, R.; Feyerabend, F.; Kamusewitz, H.; Schossig, M.; Clemens, H.: Biological Multi-layer Systems as Implant Surface Modification. Materialwissenschaft und Werkstofftechnik. 2003. vol. 34, no. 12, 1084-1093. DOI: 10.1002/mawe.200300718}}