WASET
    Shengbiao Wu and  Weihua Cao and  Min Wu and  Can Liu,  A Tuning Method for Microwave Filter via Complex Neural Network and Improved Space Mapping.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2018, vol. 135(3). 222 - 228
    [viewed 04 May 2024]. Available from: https://publications.waset.org/pdf/10008813.