A. Keller, and H. Binz. Zukunft der Globalen Produktentwicklung. Tagungsband Zur Jahrestagung Des Berliner Kreises, page 201--214. IKTD Uni Stuttgart, (2009)
A. Keller, and H. Binz. Proceedings Of The International Conference On Engineering Design 2009, Volume 2, Design Theory And Research Methodology, page 203--214. (2009)
S. Kortler, M. Kreimeyer, and U. Lindemann. 17th International Conference on Engineering and Product Design Education, page 31-42. Glasgow, The Design Society, (August 2009)