@misc{indiciae08eebb434080,
  title = {Traffic signals and depth perception.},
  author = {B R Bugelski},
  year = {1967},
  doi = {10.1126/science.157.3795.1464},
  url = {https://pubmed.ncbi.nlm.nih.gov/6037865/},
  note = {Source identifier: 6037865}
}