A. Puras Trueba and  J. R. Llata GarcĂ­a,  Nonlinear Optimal Line-Of-Sight Stabilization with Fuzzy Gain-Scheduling.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2011, vol. 56(8). 807 - 814
    [viewed 01 April 2020]. Available from: https://publications.waset.org/pdf/1406.