@misc{indiciaeb3e1769da2ba,
  title = {Spatial frequency content of visual imagery.},
  author = {S Kunen and J G May},
  year = {1980},
  doi = {10.3758/bf03198825},
  url = {https://pubmed.ncbi.nlm.nih.gov/7208270/},
  note = {Source identifier: 7208270}
}