TY  - RPRT
TI  - Individual differences in cognitive arithmetic.
AU  - D C Geary
AU  - K F Widaman
PY  - 1987
DO  - 10.1037//0096-3445.116.2.154
UR  - https://pubmed.ncbi.nlm.nih.gov/2955071/
ID  - 2955071
ER  -