WASET
    Guosheng Wu and  Luning Wang and  Changyuan Fan and  Xi Zhu,  Self-protection Method for Flying Robots to Avoid Collision.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2008, vol. 13(1). 122 - 125
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/9721.