WASET
    El Kaak and  Rachid and  El Bikri and  Khalid and  Benamar and  Rhali,  Large Vibration Amplitudes of Circular Functionally Graded Thin Plates Resting on Winkler Elastic Foundations.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2013, vol. 74(2). 219 - 222
    [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/2231.