Lei Qi and  Rongxin Yan and  Lichen Sun ,  A Study of Structural Damage Detection for Spacecraft In-Orbit Based on Acoustic Sensor Array.   journal   = {International Journal of Aerospace and Mechanical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2017, vol. 126(6). 1147 - 1150
    [viewed 03 April 2020]. Available from: https://publications.waset.org/pdf/10007128.