1. Veselago, V., "The electrodynamics of substances with simultane ously negative values of ε and μ," Soviet Physics Uspekhi, Vol. 10, No. 4, 509-514, 1968.
doi:10.1070/PU1968v010n04ABEH003699
2. Lai, A., T. Itoh, and C. Caloz, "Composite right/left-handed transmission line metamaterials," IEEE Microwave Magazine, 34-50, Sep. 2004.
doi:10.1109/MMW.2004.1337766
3. Abdelaziz, A. F., T. M. Abuelfadl, and O. L. Elsayed, "Realization of composite right/left-handed transmission line using coupled lines," Progress In Electromagnetics Research, Vol. 92, 299-315, 2009.
doi:10.2528/PIER09040305
4. Abdelaziz, A. F., T. M. Abuelfadl, and O. L. Elsayed, "Realization of composite right/left-handed transmission line using broadside coupled coplanar waveguides," IEEE Inter. Symposium on Antennas and Propagation, APS, 2009.
5. Malherbe, J. A. G. and I. E. Losch, "Directional couplers using semireentrant coupled lines," Microwave Journal, 121-128, Nov. 1987.
6. Masot, F., F. Medina, and M. Horno, "Analysis and experimental validation of a type of three-microstrip directional coupler," IEEE Transactions on Microwave Theory and Techniques, Vol. 42, No. 9, 1624-1631, Sep. 1994.
doi:10.1109/22.310555
7. Velazquez-Ahumada, M., J. Martel, and F. Medina, "Parallel coupled microstrip lters with oating ground-plane conductor for spurious-band suppression," IEEE Transactions on Microwave Theory and Techniques, Vol. 53, No. 5, 1823-1828, May 2005.
doi:10.1109/TMTT.2005.847083
8. Liu, L., C. Caloz, and T. Itoh, "Dominant mode (DM) leaky-wave antenna with backre-to-endre scanning capability," Electron.Lett., Vol. 38, No. 23, 1414-1416, Nov. 2002.
doi:10.1049/el:20020977
9. Jones, E. M. T. and J. T. Bolljahn, "Coupled-strip-transmission-line lters and directional couplers," IRE Transactions on Microwave Theory and Techniques, 75-81, Apr. 1956.
doi:10.1109/TMTT.1956.1125022