Hye Lyeong Kim and  Sang Yeong Choi,  A Study on a Discrete Event Simulation Model for Availability Analysis of Weapon Systems.   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2010, vol. 46(10). 1093 - 1099
    [viewed 29 January 2020]. Available from: https://publications.waset.org/pdf/171.