@misc{indiciae9d307aff93ab,
  title = {Exocentric direction judgements in computer-generated displays and actual scenes},
  author = {Ellis, Stephen R. and Smith, Stephen and Mcgreevy, Michael W. and Grunwald, Arthur J.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19900013620},
  note = {Source identifier: 19900013620}
}