@misc{indiciae4e8ba46e8678,
  title = {Orbitonometry. A simple orbitonometer with its calibration curve.},
  author = {F A Hosni and Aboul-Enein M el-S},
  year = {1965},
  url = {https://pubmed.ncbi.nlm.nih.gov/5841275/},
  note = {Source identifier: 5841275}
}