Xinyan Zhang and  Zhipeng Tan and  Shan Fan,  NSBS: Design of a Network Storage Backup System.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2015, vol. 107(11). 1253 - 1262
    [viewed 11 August 2020]. Available from: https://publications.waset.org/pdf/10002702.