TY  - RPRT
TI  - Developmental and individual differences in pure numerical estimation.
AU  - Julie L Booth
AU  - Robert S Siegler
PY  - 2006
DO  - 10.1037/0012-1649.41.6.189
UR  - https://pubmed.ncbi.nlm.nih.gov/16420128/
ID  - 16420128
ER  -