@misc{indiciaebe170e10e9c8,
  title = {Distance determined by the angular declination below the horizon.},
  author = {T L Ooi and B Wu and Z J He},
  year = {2001},
  doi = {10.1038/35102562},
  url = {https://pubmed.ncbi.nlm.nih.gov/11700556/},
  note = {Source identifier: 11700556}
}