@misc{indiciae9d70a3a0c4eb,
  title = {Algorithms for a location database.},
  author = {N E Morton and A Collins and S Lawrence and D C Shields},
  year = {1992},
  doi = {10.1111/j.1469-1809.1992.tb01147.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/1449237/},
  note = {Source identifier: 1449237}
}