WASET
    Marshal D. Kafle and  Jun H. Kim and  Hyun W. Been and  Kyoung M. Min and  Sung H. Kim,  Parametric Investigation of Aircraft Door’s Emergency Power Assist System (EPAS).   journal   = {International Journal of Aerospace and Mechanical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2015, vol. 98(2). 340 - 345
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10000752.