[1] Veselago V G. The electrodynamics of substances with simultaneously negative values of and [ J ]. Soviet Physics Uspekhi, 1968, 4: 509-514.
[2] Christophe Caloz, Itoh T. Application of the transmission line theory of left-handed (LH) materials to the realization of a microstrip ‘ LH line' [ J ]. APS. IEEE, 2002, 2:16-21.
[3] Lindell I V, Tretyakov S A, Nikoskinen K I, et al. Bw media-media with negative parameters, capable of supporting backward waves [ J ]. Microwave and Optical Technology Letters, 2001,31: 129-133.
[4] Ramesh Garg. Microstrip Antenna Design Handbook [ M ].Boston: Artech House, 2001.
