1. ASCCS. Concrete filled steel tubes-a comparison of international codes and practices. In: ASCCS seminar, Innsbruck, Austria, 1997.
2. State of the art report on steel-concrete composite columns;Shanmugam;Journal of Constructional Steel Research,2001
3. Gourley BC, Tort C, Hajjar JF, Schiller PH. A synopsis of studies of the monotonic and cyclic behavior of concrete-filled steel tube beam-columns. Structural engineering report no. ST-01-4. Minnesota, USA: Department of Civil Engineering, University of Minnesota, December 2001.
4. Tests on stub columns of concrete-filled RHS sections;Han;Journal of Constructional Steel Research,2002
5. Axially loaded concrete-filled steel tubes;Schneider;Journal of Structural Engineering,1998