[12] S. Ramo, J. R. Whinnery, T. Van Duzer. Fields and Waves in Communication Electronics(2008).
[20] J. B. Pendry. Negative refraction makes a perfect lens. Phys. Rev. Lett., 85, 3966-3969(2000).
[24] R. Marqués, F. Martín, M. Sorolla. Metamaterials with Negative Parameters: Theory, Design, and Microwave Applications(2011).
[25] L. Solymar, E. Shamonina. Waves in Metamaterials(2009).
[28] C. Caloz, T. Itoh. Electromagnetic Metamaterials: Transmission Line Theory and Microwave Applications(2005).