TY  - RPRT
TI  - "What is learned" in mathematical discovery.
AU  - W G Roughead
AU  - J M Scandura
PY  - 1968
DO  - 10.1037/h0020054
UR  - https://pubmed.ncbi.nlm.nih.gov/5672244/
ID  - 5672244
ER  -