@misc{indiciae973226fd7906,
  title = {Principles for identifying structural differences. Some methodological issues related to comparative factor analysis.},
  author = {W R Cunningham},
  year = {1978},
  doi = {10.1093/geronj/33.1.82},
  url = {https://pubmed.ncbi.nlm.nih.gov/618970/},
  note = {Source identifier: 618970}
}