@misc{indiciaeae49ca70c017,
  title = {Population: the search for solutions in the behavioral sciences.},
  author = {A A Campbell},
  year = {1973},
  doi = {10.1016/0002-9378(73)90898-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/4697165/},
  note = {Source identifier: 4697165}
}