@misc{indiciae45f8dd4c90ac,
  title = {Evidence for feature perturbations.},
  author = {G Wolford and K H Shum},
  year = {1980},
  doi = {10.3758/bf03204459},
  url = {https://pubmed.ncbi.nlm.nih.gov/7383829/},
  note = {Source identifier: 7383829}
}