1. Energy theorems and structural analysis;Argyris;Aircraft Eng.,1954
2. Stiffness and deflection analysis of complex structures;Turner;J. Aeron. Sci.,1956
3. MARC-CDC user's manual (Control Data Corporation, Minneapolis, MN.
4. K.J. Bathe, ADINA — a finite element program for automatic dynamic incremental nonlinear analysis, Report 82448-1 (MIT, Cambridge, MA.
5. ANSR-1, general purpose program for nonlinear structural response;Mondkar,1975