%0 conference lecture %@ %A Willumeit, R., Schroeder, J., Feyerabend, F., Kamusewitz, H., Schossig, M., Clemens, H. %D 2003 %J 16th Aachen Colloquium on Biomaterials, BIOMAT 2003 %T Implant Surface Modification using Biological Multi-layer Systems %U %X