@misc{indiciae442e17a5d4e0,
  title = {Submicrometer metallic barcodes.},
  author = {S R Nicewarner-Pena and R G Freeman and B D Reiss and L He and D J Pena and I D Walton and R Cromer and C D Keating and M J Natan},
  year = {2001},
  doi = {10.1126/science.294.5540.137},
  url = {https://pubmed.ncbi.nlm.nih.gov/11588257/},
  note = {Source identifier: 11588257}
}