@misc{indiciae1b17923bf361,
  title = {SOME NEW METHODS FOR PLANETARY EXPLORATION.},
  author = {W H Pickering},
  year = {1965},
  doi = {10.1073/pnas.54.6.1471},
  url = {https://pubmed.ncbi.nlm.nih.gov/16591316/},
  note = {Source identifier: 16591316}
}