TY  - RPRT
TI  - Self-classification by subjects using Toman's birth-order categories.
AU  - E L Vockell
AU  - D W Felker
PY  - 1971
DO  - 10.2466/pr0.1971.29.3.1010
UR  - https://pubmed.ncbi.nlm.nih.gov/5124151/
ID  - 5124151
ER  -