WASET
    Jing Yu and  Hongyang Liu and  Dong Hao,  Optimal Peer-to-Peer On-Orbit Refueling Mission Planning with Complex Constraints.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2018, vol. 143(11). 1039 - 1042
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/10009778.