M. Gabler, and J. Knippers. 13th International Conference on Structural and Geotechnical Engineering, Cairo – Egypt, Ain Shams University Faculty of Engineering, Department of Structural Engineering, (27-29 Dec. 2009)
J. Knippers, M. Hwash, and F. Saad. 13th International Conference on Structural and Geotechnical Engineering, Cairo – Egypt, Ain Shams University Faculty of Engineering, Department of Structural Engineering, (27-29 Dec. 2009)
J. Lienhard, and J. Knippers. Conference Proceedings of the International BIONA-Symposium: Biomimetics in Architecture: Evolutionary constructions and design, page 15. ITKE, Universität Stuttgart, (November 2009)