@ARTICLE {1729, author={M. G. Silveirinha}, doi={10.1103/PhysRevB.75.115104}, journal={Physical Review B}, title={Metamaterial Homogenization Approach with Application to the Characterization of Microstructured Composites with Negative Parameters}, year={2007}, month={February}, volume={75}, number={115104}, pages={1-15}, ISSN={2469-9950} }