TY  - RPRT
TI  - Perceived intellectual performance change over seven years.
AU  - K W Schaie
AU  - S L Willis
AU  - A M O'Hanlon
PY  - 1994
DO  - 10.1093/geronj/49.3.p108
UR  - https://pubmed.ncbi.nlm.nih.gov/8169340/
ID  - 8169340
ER  -