@misc{indiciaeab1457a7fc67,
  title = {Planetary science. Where have all the comets gone?},
  author = {Mark E Bailey},
  year = {2002},
  doi = {10.1126/science.1072609},
  url = {https://pubmed.ncbi.nlm.nih.gov/12077390/},
  note = {Source identifier: 12077390}
}