Depine, R. A., Lakhtakia, A., Efros, A. L., Koschny, T., Markoš, P., Smith, D. R., & Soukoulis, C. M. (2004). Comment I on "Resonant and antiresonant frequency dependence of the effective parameters of metamaterials". Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, 70(4 2). https://doi.org/10.1103/PhysRevE.70.048601

Depine, R. A., A. Lakhtakia, A. L. Efros, T. Koschny, P. Markoš, D. R. Smith, and C. M. Soukoulis. “Comment I on "Resonant and antiresonant frequency dependence of the effective parameters of metamaterials".” Physical Review E - Statistical, Nonlinear, and Soft Matter Physics 70, no. 4 2 (October 1, 2004). https://doi.org/10.1103/PhysRevE.70.048601.

Depine RA, Lakhtakia A, Efros AL, Koschny T, Markoš P, Smith DR, et al. Comment I on "Resonant and antiresonant frequency dependence of the effective parameters of metamaterials". Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 2004 Oct 1;70(4 2).

Depine, R. A., et al. “Comment I on "Resonant and antiresonant frequency dependence of the effective parameters of metamaterials".” Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, vol. 70, no. 4 2, Oct. 2004. Scopus, doi:10.1103/PhysRevE.70.048601.

Depine RA, Lakhtakia A, Efros AL, Koschny T, Markoš P, Smith DR, Soukoulis CM. Comment I on "Resonant and antiresonant frequency dependence of the effective parameters of metamaterials". Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 2004 Oct 1;70(4 2).