1. Variational methods in elasticity and plasticity;Washizu,1968
2. Beams, plates and shells;Donnell,1976
3. Foundations of solid mechanics;Fung,1965
4. The finite element method in engineering science;Zienkiewicz,1971
5. On the analogues relating flexure and extension of flat plates;Southwell;Q. J. Mech. Appl. Math.,1950