@misc{indiciae082287260e6f,
  title = {Passive autofocusing for digital endoscopic imaging systems.},
  author = {P Blessing and J Häfliger and A von Orelli and P Niederer},
  doi = {10.1515/bmte.2001.46.1-2.2},
  url = {https://pubmed.ncbi.nlm.nih.gov/11258137/},
  note = {Source identifier: 11258137}
}