1. Strength of steel-encased concrete beam columns;Furlong;J Struct Div ASCE,1967
2. Strength of concrete-filled steel tubular columns;Knowles;J Struct Div ASCE,1969
3. Experimental behaviour of concrete-filled rolled rectangular hollow-section columns;Shakir-Khalil;Struct Eng,1989
4. Further tests on concrete-filled rectangular hollow-section columns;Shakir-Khalil;Struct Eng,1990
5. Axially loaded concrete-filled steel tubes;Schneider;J Struct Eng ASCE,1998