WASET
    M. Zamurad Shah and  M. Kemal Özgören and  Raza Samar,  3D Guidance of Unmanned Aerial Vehicles Using Sliding Mode Approach.   journal   = {International Journal of Aerospace and Mechanical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2014, vol. 94(10). 1705 - 1711
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/9999545.