@misc{indiciae5375e6f2be1c,
  title = {Problems in the development of new instruments.},
  author = {C Riley},
  year = {1975},
  doi = {10.1177/000456327501200140},
  url = {https://pubmed.ncbi.nlm.nih.gov/15637915/},
  note = {Source identifier: 15637915}
}