1. Theory of Beam Columns. Vol. 2. Space Behaviour and Design;Chen,1977
2. Specification for the design, fabrication and erection of structural steel for buildings,1969
3. BS 449: 1969. Specification for the use of structural steel in buildings,1969
4. AS 1250–1975 SAA Steel structures code,1975
5. Lateral torsional buckling of beams;Nethercot,1978