@misc{indiciaea9d15406a65a,
  title = {Colour discrimination and hue.},
  author = {T Holtsmark and A Valberg},
  year = {1969},
  doi = {10.1038/224366a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/5343880/},
  note = {Source identifier: 5343880}
}