@misc{indiciae1a5e79730607,
  title = {Issues in assessing development.},
  author = {D Flapan and P B Neubauer},
  year = {1970},
  doi = {10.1016/s0002-7138(09)61712-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4099780/},
  note = {Source identifier: 4099780}
}