M. Weickgenannt, O. Sawodny, S. Neuhäuser, and W. Sobek. ASME 2012 International Mechanical Engineering Congress & Exposition, IMECE 2012, November 9-15, 2012, Houston, TX, USA, (2012)
L. Blandini, and W. Sobek. Challenging Glass 3, Conference on Architectural and Structural Applications of Glass, June 28-29, 2012, Delft, page 41--46. Amsterdam, IOS Press, (2012)
W. Sobek, S. Hagenmayer, A. Hoier, and K. Wolff. Beyond the Limits of Man, IASS Symposium, September 23-27, 2013, Wroclaw, Poland, page Paper 1270. (2013)