9Popovic O. Sustainable Aspects of Longspan Light Weight Steel Struetures[J].Journal of Constructional Steel Research, 1998,46(1/a)- 288 - 289.
10Casafont M, Arnedo A. Experimental Testing of Joints for Seismic Design of Lightweight Structures, Part 1: Screwed Joints in Straps[J].Thin-Walled Structures, 2006,44:197 - 210.