@misc{indiciae421b0fe525dc,
  title = {Optical materials. Bending light the wrong way.},
  author = {M C Wiltshire},
  year = {2001},
  doi = {10.1126/science.1060221},
  url = {https://pubmed.ncbi.nlm.nih.gov/11294217/},
  note = {Source identifier: 11294217}
}