WASET
    A. R. Tavakolpour-Saleh and  A. R. Setoodeh and  E. Ansari,  Iterative Learning Control of Two Coupled Nonlinear Spherical Tanks .   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2016, vol. 119(11). 1862 - 1869
    [viewed 19 September 2024]. Available from: https://publications.waset.org/pdf/10006685.