1. Pendry, J. B., A. J. Holden, D. J. Robbins, and W. J. Stewart, IEEE Trans. Microwave Theory Tech., Vol. 47, 2075, 1999.
doi:10.1109/22.798002
2. Smith, D. R., W. J. Padilla, D. C. Vier, S. C. Nemat-Nasser, and S. Schultz, Phys. Rev. Lett., Vol. 84, 4184, 2000.
doi:10.1103/PhysRevLett.84.4184
3. Ishimaru, A., S.-W. Lee, Y. Kuga, and V. Jandhyala, IEEE Trans., Vol. 51, 2550-2557, 2003.
4. Lee, S.-W.A. Ishimaru, Y. Kuga, and V. Jandhyala, "Proc. SPIE," Proc. SPIE, Vol. 4806, 92 2002.
doi:10.1117/12.472973
5. Dewar, G., Int. J. Mod. Phys., Vol. 15, 3258, 2001.
doi:10.1142/S0217979201007592
6. Chui, S. T. and L. Hu, Phys. Rev. B., Vol. 65, 144407, 2002.
doi:10.1103/PhysRevB.65.144407
7. Collin, R. E., Field Theory of Guided Waves, IEEE Press, NY, 1991.
8. Nicorovici, N. A.R. C. McPhedran, and G. W. Milton, Proc. R. Soc. Lond., Vol. 442, 599 1993.
9. Braunisch, H., C. O. Ao, K. O'Neill, and J. A. Kong, IEEE Trans. Geosci. Remote Sensing, Vol. 39, 2689, 2001.
doi:10.1109/36.975003
10. Jandhyala, V.G. Ouyang, C. Yang, A. Ishimaru, and Y. Kuga, "IEEE Antennas Propag. Symposium," IEEE Antennas Propag. Symposium, Monterey , CA, 2004.