Ali Reza Mehrabian and  Caro Lucas,  Emotional Learning based Intelligent Robust Adaptive Controller for Stable Uncertain Nonlinear Systems.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2008, vol. 19(7). 946 - 952
    [viewed 24 September 2020]. Available from: https://publications.waset.org/pdf/3508.