WASET
    Hikari Ryu and  Yuki Fukuda and  Kento Oishi and  Chiharu Igarashi and  Shogo Kiryu,  Coils and Antennas Fabricated with Sewing Litz Wire for Wireless Power Transfer.   journal   = {International Journal of Materials and Textile Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2023, vol. 203(11). 133 - 138
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10013366.