Grabke, H.-J.; Tôkei, Z. S.; Ostwald, C.: Initial Oxidation of a 9 % CrMo- and a 12 % CrMoV – Steel. Steel Research International 75 (1), pp. 38 - 46 (2004)
Piehl, C.; Tôkei, Z. S.; Grabke, H.-J.: Surface treatment and cold working as tools to improve oxidation behaviour of chromium steels. 5th Int. Symp. on High Temperature Corrosion, pp. 319 - 326 (2001)
Piehl, C.; Tôkei, Z. S.; Grabke, H.-J.: The role of fast diffusion paths in the selective oxidation of chromium steels. Defect and Diffusion Forum 194-199, pp. 1689 - 1694 (2001)
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