1. ANSYS Engineering Analysis System User's Manual;DeSalvo,1975
2. PISCES 2DL General Description and Finite Difference Equations,1972
3. DYNAPLAS II — a finite element program for the dynamic, large deflection, elastic-plastic analysis of stiffened shells of revolution;Haisler,1973
4. NONSAP — a structural analysis program for static and dynamic response of nonlinear systems;Bathe,1974