1. S.K. Lucas, J.M. Hill, Testing the fracture of spectacle lenses, in: J. Hewitt (Ed.), Proceedings of the 2000 mathematics-in-industry study group, MISG2000, 2001, pp. 148–168
2. Theory of Plates and Shells;Timoshenko,1959
3. Theory and Analysis of Plates: Classical and Numerical Methods;Szilard,1974
4. On surface constraints in plate problems;Essenburg;J. Appl. Mech.,1962
5. The obstacle problem for beams and plates;Westbrook;J. Comput. Appl. Math.,1990