1. Miniaturisierung von Komponenten und Bauteilen im Maschinenbau–Miniaturisierung und Integration technischer Funktionen (Teil 2);Westkämper;wt Werkstattstechnik,2001
2. Microforming;Geiger;CIRP Ann.,2001
3. Microforming—a challenge to the plasticity research community. Addressed to the 40th anniversary of the JSTP;Geiger;J. JSTP,2002
4. Microforming—from basic research to its realization;Engel;J. Mater. Process. Tech.,2002
5. U. Engel, A. Messner, N. Tiesler, Cold forging of microparts—effect of miniaturization on friction, in: J.L. Chenot et al. (Eds.), Proceedings of the First ESAFORM Conference on Materials Forming, 17–20 March‘98, Sophia Antipolis, France, pp. 77–80.