TY  - RPRT
TI  - Turning something over in the mind.
AU  - L A Cooper
AU  - R N Shepard
PY  - 1984
DO  - 10.1038/scientificamerican1284-106
UR  - https://pubmed.ncbi.nlm.nih.gov/6523114/
ID  - 6523114
ER  -