Jaroslav Burian and  Kateřina Sorbiová and  Pavel Tuček and  Michaela Tučková,  Possibilities of Delimitation of City Centers Using GIS.   journal   = {International Journal of Humanities and Social Sciences}, [online]. World Academy of Science, Engineering and Technology.
    September 2012, vol. 69(9). 2404 - 2411
    [viewed 06 May 2021]. Available from: https://publications.waset.org/pdf/14851.