@misc{indiciae02df23f8b0ec,
  title = {Operator Localization of Virtual Objects},
  author = {Ellis, Stephen R. and Menges, Brian M. and Null, Cynthia H.},
  year = {1998},
  url = {https://ntrs.nasa.gov/citations/20020063514},
  note = {Source identifier: 20020063514}
}