Zongyan Li and  Matt Best,  Optimization of the Input Layer Structure for Feed-Forward Narx Neural Networks.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2015, vol. 103(7). 673 - 678
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10001639.