@misc{indiciae171744398bee,
  title = {Real-time analysis keratometer},
  author = {Adachi, Iwao P. and Adachi, Yoshifumi and Frazer, Robert E.},
  year = {1987},
  url = {https://ntrs.nasa.gov/citations/20080008183},
  note = {Source identifier: 20080008183}
}