@misc{indiciae7bedd80fa44d,
  title = {When constraints interact: a caution about reference variables, identification constraints, and scale dependencies in structural equation modeling.},
  author = {James H Steiger},
  year = {2002},
  doi = {10.1037/1082-989x.7.2.210},
  url = {https://pubmed.ncbi.nlm.nih.gov/12090411/},
  note = {Source identifier: 12090411}
}