@misc{indiciae4efd1c2f1466,
  title = {Preliminary Findings: Issues in Surface Movement},
  author = {Smith, Philip J. and Denning, Rebecca and Obradovich, Jodi and Billings, Charles and Woods, David},
  year = {1999},
  url = {https://ntrs.nasa.gov/citations/19990047716},
  note = {Source identifier: 19990047716}
}