Volkert, C. A.; Busch, S.; Heiland, B.; Dehm, G.: Transmission electron microscopy of fluorapatite-gelatine composite particles prepared using focused ion beam milling. Journal of Microscopy 214 (3), pp. 208 - 212 (2004)
Ceremony on 16 April with the Minister for Culture and Science of North Rhine-Westphalia, Ina Brandes, the Lord Mayor of Düsseldorf, Stephan Keller, and the President of the Max Planck Society, Patrick Cramer