Chinig, A. , Zbitou, J. , Errkik, A. , Elabdellaoui, L. , Tajmouati, A. , Tribak, A. , Latrach, M.. "A New Microstrip Diplexer Using Coupled Stepped Impedance Resonators". World Academy of Science, Engineering and Technology, Open Science Index 97, International Journal of Electronics and Communication Engineering (2015), 9(1), 41 - 44.