TY  - RPRT
TI  - STABILITY OF AVERAGE INTELLIGENCE.
AU  - D C CHARLES
AU  - S T JAMES
PY  - 1964
DO  - 10.1080/00221325.1964.10533650
UR  - https://pubmed.ncbi.nlm.nih.gov/14198356/
ID  - 14198356
ER  -