I. Algul and  G. Akgun and  H. Kurtaran,  Dynamic Analysis of Composite Doubly Curved Panels with Variable Thickness.   journal   = {International Journal of Materials and Metallurgical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2017, vol. 128(8). 596 - 601
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10007778.