TY  - RPRT
TI  - An exploratory study in selective functions of concepts.
AU  - R D PRALL
AU  - W L BROWN
PY  - 1957
DO  - 10.1080/00221309.1957.9920356
UR  - https://pubmed.ncbi.nlm.nih.gov/13463290/
ID  - 13463290
ER  -