1. Finite element analysis of reinforced concrete structures;Scordelis,1972
2. Finite element analysis of reinforced concrete beams;Ngo;J. Am. Conc. Inst.,1967
3. Nonlinear analysis of reinforced concrete by finite element method;Nilson;J.Am. Conc. Inst.,1968
4. Nonlinear analysis of reinforced concrete frames and panels;Franklin,1970
5. Elasto-Plastic solutions of engineering problems. “Initial stress” finite element approach;Zienkiewicz;Int. J. Numer. Meth. Engng,1969