Pavol Tanuska and  Pavel Vazan and  Michal Kebisek and  Dominika Jurovata,  Knowledge Discovery from Production Databases for Hierarchical Process Control.   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2013, vol. 83(11). 2242 - 2247
    [viewed 21 April 2021]. Available from: https://publications.waset.org/pdf/17390.