@misc{indiciaeb6c6ed4ded10,
  title = {Quantifying the risk posed by potential Earth impacts},
  author = {Chesley, S. R. and Chodas, P. and Harris, A. and Milani, A. and Valsecchi, G. and Yeomans, D.},
  year = {2001},
  url = {https://ntrs.nasa.gov/citations/20060040342},
  note = {Source identifier: 20060040342}
}