@misc{indiciaee81bdc8d1e8a,
  title = {"Dip-Pen" nanolithography},
  author = {RD Piner and J Zhu and F Xu and S Hong and CA Mirkin},
  year = {1999},
  doi = {10.1126/science.283.5402.661},
  url = {https://pubmed.ncbi.nlm.nih.gov/9924019/},
  note = {Source identifier: 9924019}
}