WASET
    A. Chinig and  J. Zbitou and  A. Errkik and  L. Elabdellaoui and  A. Tajmouati and  A. Tribak and  M. Latrach,  A New Microstrip Diplexer Using Coupled Stepped Impedance Resonators.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2015, vol. 97(1). 41 - 44
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/10000297.