WASET
    Yao Jie and  Yeo Khoon Seng,  Numerical Study of Flapping-Wing Flight of Hummingbird Hawkmoth during Hovering: Longitudinal Dynamics.   journal   = {International Journal of Aerospace and Mechanical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2016, vol. 120(12). 1892 - 1899
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/10005996.