@misc{indiciaef0a51f1d2f7d,
  title = {The policeman-selection and training.},
  author = {P Collier},
  year = {1977},
  doi = {10.1177/002581727704500102},
  url = {https://pubmed.ncbi.nlm.nih.gov/854002/},
  note = {Source identifier: 854002}
}