Tanveer A. Khan and  Xue Y. Deng and  Yan K. Wang and  Xu Si-Wen,  Investigations of Free-to-Roll Motions and its Active Control under Pitch-up Maneuvers.   journal   = {International Journal of Aerospace and Mechanical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2011, vol. 55(7). 1450 - 1456
    [viewed 11 May 2024]. Available from: https://publications.waset.org/pdf/7404.