1. Metal Forming of Tubes and Sheets with Liquid and Other Flexible Media;Schmoeckel;Annals of the CIRP,1999
2. Hydroforming: Needs, Developments and Perspectives;Vollertsen;Proc. of the 6th ICTP,1999
3. Tube Hydroforming: State-of-the-art and Future Trends;Ahmetoglu;J. of Mat. Proc. Technology,2000
4. Product Innovation with Internal High Pressure Forming;Bobbert;Proc. of the 6th ICTP,1999
5. Innovative Forming Technologies for Space Frames;Leitermann;Proc. of the 6th ICTP,1999