WASET
    Arnaud Nougues,  Method for Tuning Level Control Loops Based on Internal Model Control and Closed Loop Step Test Data.   journal   = {International Journal of Electrical and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2021, vol. 177(9). 564 - 571
    [viewed 04 May 2024]. Available from: https://publications.waset.org/pdf/10012271.