1. Shilin Dong, Yaozhi Luo. Analysis, design and construction of new spatial structure. Beijing: China communication press, 2006:3(in Chinese).
2. MERO GmbH, P.Kraus. Patent 42 24 663 C2, German Patent Office, Munich, Germany, 1994.
3. Experimental study on buckling behavior of a triodetic aluminum space frame;Sugizaki,1994
4. Patent Application DE 37 15 228 A1;Schlaich,1988
5. European Patent Application EP;GmbH,1999