1. The finite element method in structural and continuum mechanics;Zienkiewicz,1971
2. Digital computation for stiffness matrix analysis;Archer;Trans. ASCE,1960
3. Structural analysis and design (some minicomputer applications);Harrison,1980
4. Consistent mass matrix for distributed mass systems;Archer;ASCE, J. Struct. Div.,1963
5. Forced, damped multi-degree of freedom structural dynamics using the frequency response method;Wheeler,1983