WASET
    M.R.Alinaghizadehand and  M.R.Isvandzibaei,  Vibration of Functionally Graded Cylindrical Shells under Effects Clamped-Clamped Boundary Conditions.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2011, vol. 49(1). 162 - 167
    [viewed 07 May 2024]. Available from: https://publications.waset.org/pdf/10384.