Grynko, Yevgen, et al. Application of the Discontinuous Galerkin Time Domain Method to the Optics of Bi-Chiral Plasmonic Crystals. Edited by Dmitry N. Chigrin, vol. 1398, no. 1, AIP, 2011, pp. 76–78, doi:10.1063/1.3644217.

Klein, M. W., et al. “Optical Experiments on Second-Harmonic Generation from Metamaterials Consisting of Split-Ring Resonators.”10.1109/cleo.2006.4629006__2006 Conference on Lasers and Electro-Optics and 2006 Quantum Electronics and Laser Science Conference, QTh, IEEE, 2006, doi:10.1109/cleo.2006.4629006.

Klein, Matthias W., et al. “Optical Experiments on Second-Harmonic Generation with Metamaterials Composed of Split-Ring Resonators.”10.1364/meta.2006.tuc5__Photonic Metamaterials: From Random to Periodic, Tu, OSA, 2006, doi:10.1364/meta.2006.tuc5.