1. Strength of steel-encased concrete beam-columns;Furlong;J. Struct. Div. ASCE,1967
2. Structural behavior of concrete filled steel tubes;Gardner;ACI J. Struct. Div.,1967
3. Beam-column behaviour of steel tubes filled with high strength concrete;Prion;Can. J. Civ. Eng.,1994
4. Axially loaded concrete-filled steel tubes;Schneider;J. Struct. Eng. ASCE,1998
5. Kilpatrick AE, Rangan BV. Tests on high-strength composite concrete columns. Research Report No. 1/97, School of Civil Engineering, University of Technology Western Australia, 1997.