1. Eurocode 4, Design of composite steel and concrete structures, Part 1.1, General Rules and Rules for Buildings, ENV 1994 1–1, 1992.
2. American Concrete Institute, Building Code Requirements for Reinforced Concrete (ACI, 318–95), and Commentary, 1995.
3. AISC-LRFD, Manual of Steel Construction, Load and Resistance Factor Design, (including Commentary), AISC, Chicago, 1999.
4. Strength of steel encased concrete beam columns;Furlong;Journal of Structural Division, ASCE,1967
5. Structural behaviour of concrete filled steel tubes;Gardner;ACI,1967