1. H. Griguer, E. Marzolf, M. Drissi, H. Lalj, F. Riouch, Investigation and design of 3D metamaterial for the enhancement of patch antenna radiation, in Proceedings of the IEEE International Symposium on Antennas and Propagation, Charleston, USA, June 1–5, 2009
2. M.M.I. Saadoum, N. Engheta, A reciprocal phase shifter using novel pseudochiral or omega medium. Microw. Opt. Technol. Lett. 5, 184–188 (1992)
3. C.R. Simovski, S. He, Frequency range and explicit expressions for negative permittivity and permeability for an isotropic medium formed by a lattice of perfectly conducting omega particles. Phys. Lett. A 311(2–3), 254–263 (2003)
4. D.R. Smith, D.C. Vier, N. Kroll, S. Schultz, Determination of effective permittivity and permeability of metamaterials from reflection and transmission coefficients. Physical Review B 65(19) (2002)
5. H. Griguer, E. Marzolf, M. Drissi, H. Lalj, F. Riouch, Design and measurement of DNG metamaterial for tunable microwave devices, in Proceedings of the IEEE Mediterranean Microwave Symposium, Tangiers, Morocco, November 15–17, 2009