@misc{indiciae43c8a2a38c3e,
  title = {An Integrated Physics-Based Risk Model for Assessing the Asteroid Threat},
  author = {Motiwala, Samira and Mathias, Donovan and Mattenberger, Christopher},
  year = {2015},
  url = {https://ntrs.nasa.gov/citations/20190027596},
  note = {Source identifier: 20190027596}
}