S. Schöne, A. Michalski, and J. Lienhard. Proceedings of the International Symposium of the International Association of Shell and Spatial Structures (IASS) , Spatial Structures Temporary and Permanent, Shanghai, China, (2010)
D. Park, and J. Knippers. Conference proceeding of the 9th Asian Pacific Conference on Shell and Spatial Structures (APCS2009), page 147 – 148. Nagoya Japan, (May 2009)
T. Fildhuth, S. Lippert, and J. Knippers. IASS-ACPS Conference Proceedings, page 165 pp. Seoul, Korea, International Association for Shell and Spatial Structures, (21-24 May 2012)
F. Waimer, M. Gabler, and J. Knippers. Proceedings of the International IASS Symposium, Seoul, Korea, International Association for Shell and Spatial Structures, (2012)