@misc{indiciae27b954c40735,
  title = {AFM tips: how sharp are they?},
  author = {S Sheng and D M Czajkowsky and Z Shao},
  year = {1999},
  url = {https://pubmed.ncbi.nlm.nih.gov/10540250/},
  note = {Source identifier: 10540250}
}