D. R. Smith, Willie J. Padilla, D. C. Vier, S. C. Nemat-Nasser und S. Schultz: Composite Medium with Simultaneously Negative Permeability and Permittivity. In: Physical Review Letters. Band 84, Nr. 18, 2000, S. 4184–4187, doi:10.1103/PhysRevLett.84.4184; R. A. Shelby, D. R. Smith und S. Schultz: Experimental Verification of a Negative Index of Refraction. In: Science. Band 292, Nr. 5514, 6. April 2001, S. 77–79, doi:10.1126/science.1058847.
D. Schurig, J. J. Mock, B. J. Justice, S. A. Cummer, J. B. Pendry, A. F. Starr und D. R. Smith: Metamaterial electromagnetic cloak at microwave frequencies. In: Science. Band 314, Nr. 5801, 10. November 2006, S. 977–980, doi:10.1126/science.1133628
