@misc{indiciae092a3a640045,
  title = {Astrobiology. Returning alien rocks right the second time.},
  author = {R A Kerr},
  year = {2001},
  doi = {10.1126/science.292.5523.1817a},
  url = {https://pubmed.ncbi.nlm.nih.gov/11397921/},
  note = {Source identifier: 11397921}
}