TY  - RPRT
TI  - Non-verbal rigidity, creativity, and problem solving.
AU  - B S Gorman
AU  - S Breskin
PY  - 1969
DO  - 10.2466/pms.1969.29.3.715
UR  - https://pubmed.ncbi.nlm.nih.gov/5365072/
ID  - 5365072
ER  -