TY  - RPRT
TI  - Principles for identifying structural differences. Some methodological issues related to comparative factor analysis.
AU  - W R Cunningham
PY  - 1978
DO  - 10.1093/geronj/33.1.82
UR  - https://pubmed.ncbi.nlm.nih.gov/618970/
ID  - 618970
ER  -