@misc{indiciaed415ef8e13f4,
  title = {An introduction to structural equation models.},
  author = {D J Francis},
  year = {1988},
  doi = {10.1080/01688638808402800},
  url = {https://pubmed.ncbi.nlm.nih.gov/3066797/},
  note = {Source identifier: 3066797}
}