WASET
    C. V. Pietreanu and  S. E. Zaharia and  C. Dinu,  Risk and Uncertainty in Aviation: A Thorough Analysis of System Vulnerabilities.   journal   = {International Journal of Aerospace and Mechanical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2018, vol. 134(2). 99 - 106
    [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/10008524.