@misc{indiciae35aa80a623e1,
  title = {Aids to navigation.},
  author = {D Sharp},
  year = {2000},
  doi = {10.1016/s0140-6736(00)02032-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/10744087/},
  note = {Source identifier: 10744087}
}