A. Farshidianfar and  P. Oliazadeh and  M. H. Farshidianfar,  Exact Analysis of Resonance Frequencies of Simply Supported Cylindrical Shells.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2013, vol. 76(4). 756 - 762
    [viewed 19 October 2019]. Available from: https://publications.waset.org/pdf/9997158.