@misc{indiciaea6bce0281e9b,
  title = {Electrostatic force microscope for probing surface charges in aqueous solutions.},
  author = {S Xu and M F Arnsdorf},
  year = {1995},
  doi = {10.1073/pnas.92.22.10384},
  url = {https://pubmed.ncbi.nlm.nih.gov/7479789/},
  note = {Source identifier: 7479789}
}