J. Knippers, and T. Helbig. IASS Symposium Shell and Spatial Structures: Structural Architecture – Towards the future looking to the past, page 207 – 208. Venice, Italy, (3-6 December 2007)
J. Knippers, and T. Helbig. IASS Symposium Shell and Spatial Structures: Structural Architecture – Towards the future looking to the past, page 207 – 208. Venice, Italy, (3-6 December 2007)