Home News Press Releases Dr. Yan Ma receives Walter Benjamin Grant of the German Research Foundation Publications of Griselda M. Guidoni All genres Journal Article (1) Journal Article (1) 1. Journal Article Guidoni, G. M.; He, L.; Schöberl, T.; Jäger, I.; Dehm, G.; Swain, M. V.: Influence of the indenter tip geometry and environment on the indentation modulus of enamel. Journal of Materials Research 24 (3), pp. 616 - 625 (2009) MPG.PuRe DOI