1. Pendry, J. B., "Negative refraction makes a perfect lens," Phys. Rev. Lett., Vol. 65, No. 18, 3966-3969, October 2000.
2. Smith, D. R. and N. Kroll, "Negative refractive index in left-handed materials," Phys. Rev. Lett., Vol. 85, 2933-2936, October 2000.
3. Caloz, C., A. Sanada, and T. Itoh, "A novel composite right-/left-handed coupled-line directional coupler with arbitrary coupling level and broad bandwidth," IEEE Transactions on Microwave Theory and Techniques, Vol. 52, No. 3, 980-992, March 2004.
doi:10.1109/TMTT.2004.823579
4. Martin, F., F. Falcone, J. Bonache, R. Marquès, and M. Sorolla, "Split ring resonator based left handed coplanar waveguide," Appl. Phys. Lett., Vol. 83, 4652-4654, December 2003.
doi:10.1063/1.1631392
5. Kurter, C., J. Abrahams, and S. M. Anlage, "Miniaturized superconducting metamaterials for radio frequencies," Appl. Phys. Lett., Vol. 96, 253504, 2010.
doi:10.1063/1.3456524
6. Syms, R. R. A., I. R. Young, and L. Solymar, "Low-loss magneto-inductive waveguides," J. Phys. D: Appl. Phys., Vol. 39, 3945, 2006.
doi:10.1088/0022-3727/39/18/004
7. Baena, J. D., R. Marquès, and F. Médina, "Artificial magnetic metamaterial design by using spiral resonators," Physical review B, Vol. 69, 014402, 2004.
doi:10.1103/PhysRevB.69.014402
8. Beattie, M. W. and L. T. Pileggi, "Inductance 101: Modeling and extraction design automation," Proceedings of Design Automation Conference, 323-328, 2001 (on-chip interconnect).
9. Grover, F. W., Inductance Calculations, Dover Publications, INC, Mineola, New York, 1962.
10. Bahl, I. and P. Bhartia, Microwave Solid State Circuit Design, Wiley, New York, 1988.