1. Yamanoushi, M., Koizumi, M., Hiraii, T., Shiota, I.: Proceedings of the First International Symposium on Functionally Gradient Materials, Japan (1990)
2. Timoshenko, S.: Strength of Materials: Part I Elementary Theory and Problems. D. Van Nostrand Company Inc, New York (1930)
3. Hill, R.: The Mathematical Theory of Plasticity. Oxford University Press, Oxford (1950)
4. Niknam, H., Fallah, A., Aghdam, M.M.: Nonlinear bending of functionally graded tapered beams subjected to thermal and mechanical loading. Int. J. Non-Linear Mech. 65, 141–147 (2014)
5. Wattanasakulpong, N., Prusty, B.G., Kelly, D.W.: Thermal buckling and elastic vibration of third-order shear deformable functionally graded beams. Int. J. Mech. Sci. 53, 734–743 (2011)