@misc{indiciae786e675d4a9f,
  title = {Why do pitched horizontal lines have such a small effect on visually perceived eye level?},
  author = {Post, R. B. and Welch, R. B. and Clark, V. D.},
  year = {2000},
  url = {https://ntrs.nasa.gov/citations/20040141490},
  note = {Source identifier: 20040141490}
}