@misc{indiciae9b2f756958eb,
  title = {Composite medium with simultaneously negative permeability and permittivity},
  author = {DR Smith and WJ Padilla and DC Vier and SC Nemat-Nasser and S Schultz},
  year = {2000},
  doi = {10.1103/physrevlett.84.4184},
  url = {https://pubmed.ncbi.nlm.nih.gov/10990641/},
  note = {Source identifier: 10990641}
}