1. Finite element analysis of reinforced concrete beams;Ngo;J. Am. Cone. Inst.,1967
2. Nonlinear analysis of reinforced concrete by the finite element method;Nilson;J. Am. Conc. Inst.,1968
3. Finite element analysis of reinforced concrete structures;Scordelis,1972
4. Incompatible displacement model;Wilson,1973
5. Plane stress reinforced concrete finite elements;Colville;J. Struct. Div., ASCE,1974