@misc{indiciaec7519052b9c4,
  title = {Spatial-frequency spectrum of patterns changes the visibility of spatial-phase differences.},
  author = {T B Lawton},
  year = {1985},
  doi = {10.1364/josaa.2.001140},
  url = {https://pubmed.ncbi.nlm.nih.gov/4020511/},
  note = {Source identifier: 4020511}
}