WASET
    Jiri Barta and  Jiri F. Urbanek,  The Use of Crisis Workplace Technology to Protect Communication Processes of Critical Infrastructure.   journal   = {International Journal of Information and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2014, vol. 95(11). 3480 - 3483
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/9999640.