M. Oppe, and J. Knippers. Advanced Composites in Construction 2009 (ACIC 2009) Proceedings of the Fourth International Conference, 495, University of Edinburgh, UK, (1st – 3rd Septembe 2009)
K. Hwang, J. Knippers, and S. Park. Evolution and Trends in Design, Analysis and Construction of Shell ans Spatial Structures, IASS Symposium, page 426 – 427. Valencia, Spain, (28. Sept.r – 2. Oct. 2009)
F. Waimer, M. Gabler, and J. Knippers. Proceedings of the International IASS Symposium, Seoul, Korea, International Association for Shell and Spatial Structures, (2012)
D. Park, J. Knippers, and K. Hwang. Conference proceeding of the 9th Asian Pacific Conference on Shell and Spatial Structures (APCS2009), page 31. Nagoya Japan, (May 2009)
M. Gabler, and J. Knippers. Book of Abstracts of the 7th International Conference on FRP Cpomposites in Civil Engineering (CICE 2014), page 332. Vancouver, Canada, (2014)
J. Knippers. The Fifth Middle East Symposium on Structural Composites for Infrastructure Applications – Extend Abstract, page 110 – 111. Cairo, The Egyptian Society of Engineers, (2008)