Pavel Zikmund and  Robert Popela,  Airliner-UAV Flight Formation in Climb Regime.   journal   = {International Journal of Aerospace and Mechanical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2015, vol. 106(10). 1786 - 1791
    [viewed 10 May 2024]. Available from: https://publications.waset.org/pdf/10002718.