WASET
    K. P. Csányi and  L. T. Kóczy and  D. Tikk,  Intelligent Solutions for Umbrella Systems in Telecommunication Supervision Systems.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
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    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/9234.