Michaela Vašková,  Protection of the Object of the Critical Infrastructure in the Czech Republic.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2015, vol. 108(12). 4164 - 4167
    [viewed 21 October 2019]. Available from: https://publications.waset.org/pdf/10003027.