@misc{indiciae8977943dbdcc,
  title = {Self-activating System and Method for Alerting When an Object or a Person is Left Unattended},
  author = {Edwards, William C. and Mack, Terry L. and Modlin, Edward A.},
  year = {2006},
  url = {https://ntrs.nasa.gov/citations/20060050055},
  note = {Source identifier: 20060050055}
}