TY  - RPRT
TI  - Relation between Piaget's cognitive stages and temporal extension.
AU  - D Nissim-Sabat
PY  - 1980
DO  - 10.2466/pr0.1980.47.1.291
UR  - https://pubmed.ncbi.nlm.nih.gov/7422772/
ID  - 7422772
ER  -