@misc{indiciae7e4d7b769008,
  title = {A comparison of four feature systems using data from three psychophysical methods.},
  author = {S Singh and G M Becker},
  year = {1972},
  doi = {10.1044/jshr.1504.821},
  url = {https://pubmed.ncbi.nlm.nih.gov/4652404/},
  note = {Source identifier: 4652404}
}