@misc{indiciae9d3e17e26b28,
  title = {Headphone and Head-Mounted Visual Displays for Virtual Environments},
  author = {Begault, Duran R. and Ellis, Stephen R. and Wenzel, Elizabeth M. and Trejo, Leonard J.},
  year = {1998},
  url = {https://ntrs.nasa.gov/citations/20020064453},
  note = {Source identifier: 20020064453}
}