@misc{indiciae3987ef67f831,
  title = {Distance Perception of Stereoscopically Presented Virtual Objects Optically Superimposed on Physical Objects by a Head-Mounted See-Through Display},
  author = {Ellis, Stephen R. and Bucher, Urs J. and Statler, Irving C.},
  year = {1994},
  url = {https://ntrs.nasa.gov/citations/20010041563},
  note = {Source identifier: 20010041563}
}