1. Koizumi, M.: The concept of FGM. Ceram. Trans. Funct. Grad. Mater. 34, 3–10 (1993)
2. Yamanouchi, M., Koizumi, M., Hirai, T., Shiota, I.: In: Proceeding of the First International Symposium on Functionally Gradient Materials, Sendai, Japan (1990)
3. Birman, V.: Buckling of functionally graded hybrid composite plates. In: Proceedings of the 10th Conference on Engineering Mechanics, vol. 2, pp 1199–292 (1995)
4. Reddy, J.N., Chin, C.D.: Thermomechanical analysis of functionally graded cylinders and plates. J. Therm. Stress. 21, 593–626 (1998)
5. Loy, C.T., Lam, K.Y., Reddy, J.N.: Vibration of functionally graded cylindrical shells. Int. J. Mech. Sic. 41, 309–324 (1999)