E. Müller, Č. Drašar, J. Schilz, W. Kaysser, Functionally graded materials for sensor and energy applications,Materials Science and Engineering: A, 362(1) (2003)17-39.
 J. Qiu, J. Tani, T. Ueno, T. Morita, H. Takahashi, H. Du,Fabrication and high durability of functionally graded piezoelectric bending actuators, Smart materials and Structures, 12(1) (2003) 115.
 L.S. Liu, Q.J. Zhang, P.C. Zhai, The Optimization Design on Metal/Ceramic FGM Armor with Neural Net and Conjugate Gradient Method, in: Materials Science Forum, Trans Tech Publ, (2003) 791-796.
 M. Vable, Intermediate mechanics of materials, Oxford University Press New York, NY, 2008.
 M. Rahaeifard, M. Kahrobaiyan, M. Ahmadian,Sensitivity analysis of atomic force microscope cantilever made of functionally graded materials, in: ASME 2009 international design engineering technical conferences and computers and information in engineering conference, American Society of Mechanical Engineers,(2009) 539-544.
 Y. Fu, H. Du, W. Huang, S. Zhang, M. Hu, TiNi-based thin films in MEMS applications: a review, Sensors and Actuators A: Physical, 112(2) (2004) 395-408.
 A. Witvrouw, A. Mehta, The use of functionally graded poly-SiGe layers for MEMS applications, in: Materials science forum, Trans Tech Publ, 2005, pp. 255-260.
 A. Chong, D.C. Lam, Strain gradient plasticity effect in indentation hardness of polymers, Journal of Materials Research, 14(10) (1999) 4103-4110.
 F. Yang, A. Chong, D. Lam, P. Tong, Couple stress based strain gradient theory for elasticity, International Journal of Solids and Structures, 39(10) (2002) 2731-2743.
 R. Gholami, R. Ansari, A. Darvizeh, S. Sahmani, Axial buckling and dynamic stability of functionally graded microshells based on the modified couple stress theory, International Journal of Structural Stability and Dynamics, 15(04) (2015) 1450070.
 A.E.H. Love, A treatise on the mathematical theory of elasticity, Cambridge University Press, 2013.
 L.H. Donnell, A new theory for the buckling of thin cylinders under axial compression and bending, Trans. Asme, 56(11) (1934) 795-806.
 J.L. Sanders Jr, An improved first-approximation theory for thin shells, 1959.
 E. Reissner, The effect of transverse shear deformation on the bending of elastic plates, (1945).
 R.D. Mindlin, Influence of rotary inertia and shear on flexural motions of isotropic elastic plates, (1951).
 M. Farid, P. Zahedinejad, P. Malekzadeh, Threedimensional temperature dependent free vibration analysis of functionally graded material curved panels resting on two-parameter elastic foundation using a hybrid semi-analytic, differential quadrature method,Materials & Design, 31(1) (2010) 2-13.
 Y.T. Beni, F. Mehralian, H. Razavi, Free vibration analysis of size-dependent shear deformable functionally graded cylindrical shell on the basis of modified couple stress theory, Composite Structures, 120 (2015) 65-78.
 M. Mohammadimehr, M. Moradi, A. Loghman, Influence of the Elastic Foundation on the Free Vibration and Buckling of Thin-Walled Piezoelectric-Based FGM Cylindrical Shells Under Combined Loadings, Journal of Solid Mechanics Vol, 6(4) (2014) 347-365.
 T.R. Tauchert, Energy principles in structural mechanics, McGraw-Hill Companies, 1974.
 R. Ansari, R. Gholami, H. Rouhi, Vibration analysis of single-walled carbon nanotubes using different gradient elasticity theories, Composites Part B: Engineering,43(8) (2012) 2985-2989.
 K. Soldatos, V. Hadjigeorgiou, Three-dimensional solution of the free vibration problem of homogeneous isotropic cylindrical shells and panels, Journal of Sound and Vibration, 137(3) (1990) 369-384.
 C. Loy, K. Lam, C. Shu, Analysis of cylindrical shells using generalized differential quadrature, Shock and Vibration, 4(3) (1997) 193-198.