Maryam Vafadar and  Alireza Behrad and  Saeed Akbari,  Implementing a Visual Servoing System for Robot Controlling.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2012, vol. 69(9). 1022 - 1028
    [viewed 31 March 2020]. Available from: https://publications.waset.org/pdf/5612.