Ma Shidong and  He Yuncheng and  Wang Zhong and  Yang Guoqing,  Researches on Simulation and Validation of Airborne Enhanced Ground Proximity Warning System.   journal   = {International Journal of Aerospace and Mechanical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2012, vol. 65(5). 968 - 972
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/13813.