TY  - RPRT
TI  - Stimulating creative problem solving: innovative set.
AU  - M A Colgrove
PY  - 1968
DO  - 10.2466/pr0.1968.22.3c.1205
UR  - https://pubmed.ncbi.nlm.nih.gov/5665797/
ID  - 5665797
ER  -