@misc{indiciaed30412fd6b80,
  title = {The development of constant items for speech discrimination testing.},
  author = {E Owens and E D Schubert},
  year = {1968},
  doi = {10.1044/jshr.1103.656},
  url = {https://pubmed.ncbi.nlm.nih.gov/5722493/},
  note = {Source identifier: 5722493}
}