1. Recommended Lateral Force Requirements and Commentary;Structural Engineers Association of California,1980
2. Shear in steel beam-to-column connections;Fielding;Welding Journal,1971
3. Shear behavior of steel frame joints;Krawinkler;J. Struct. Div., ASCE,1975
4. Tests of Panel Zone Behavior in Beam-column Connections;Slutter,1981
5. Cyclic behavior of large beam-column assemblies;Popov;Earthquake Spectra, EERI,1985