1. BS5950: Part I: Structural Use of Steelwork in Building;British,1985
2. Ultimate Limit State Calculation of Sway Frames with Rigid Joints;European;ECCS, Technical Working Group 8.2, Systems, Publication No. 33,1983
3. Simplified Second-Order Elastic Plastic Analysis of Frames;Gharpuray;J. of Computing in Civil Engng.,1989
4. AS4100-1990 Steel Structures;Standards,1990