@misc{indiciaedf298a9142ae,
  title = {The statistical efficiency for detecting sinusoidal modulation of average dot density in random figures.},
  author = {A van Meeteren and H B Barlow},
  year = {1981},
  doi = {10.1016/0042-6989(81)90174-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/7314453/},
  note = {Source identifier: 7314453}
}