1. Frei otto–reverberation at schlaich bergermann partner;Schlaich;J. Int. Assoc. Shell Spat. Struct.,2018
2. Structural Design of Retractable Roof Structures;Ishii,2000
3. Hoberman, C., U.S. Patent No. 5,024,031, Patent and Trademark Office, Washington, DC, U.S. 1991.
4. Hoberman, C., U.S. Patent No. 6,739,098, Patent and Trademark Office, Washington, DC, U.S. 2004.
5. Study of a retractable membrane-roofed structure;Okamoto,1996