TY  - RPRT
TI  - Preschoolers' counting: principles before skill.
AU  - R Gelman
AU  - E Meck
PY  - 1983
DO  - 10.1016/0010-0277(83)90014-8
UR  - https://pubmed.ncbi.nlm.nih.gov/6683141/
ID  - 6683141
ER  -