Y. Akgün, W. Haase, and W. Sobek. Shell and Spatial Structures: Structural Architecture - Towards the Future Looking to the Past, IASS Symposium, December 3-6, 2007, Venice, Italy, Venice, University IUAV of Venice, (2007)
J. Mittelstädt, and W. Sobek. 4th Bond in Concrete Conference, June 17-20, 2012, Brescia, Italy, 2, page 915--922. Manerbio, Brescia, Publisher Creations, (2012)
W. Haase, and W. Sobek. Shell and Spatial Structures: Structural Architecture - Towards the Future Looking to the Past, IASS Symposium, December 3-6, 2007, Venice, Italy, Venice, University IUAV of Venice, (2007)
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, and J. Mittelstädt. Engineering a Concrete Future - Technology, Modeling and Construction, FIB Symposium, April 22-24, 2013, Tel-Aviv, Israel, page 193--196. Tel-Aviv, Israel Institute of Technology, (2013)