1. Uniform Building Code,1979
2. Tentative Provisions for the Development of Seismic Regulations for Buildings;Applied Technology Council,1978
3. A study of the P−Δ effects;Degenkolb,1981
4. Theory of Elastic Stability;Timoshenko,1961
5. Structural Design of Tall Steel Buildings;Council on Tall Buildings and Urban Habitat,1979