TY  - RPRT
TI  - Perceptual entities and forms.
AU  - A H Riesen
PY  - 1972
DO  - 10.1111/j.1749-6632.1972.tb27831.x
UR  - https://pubmed.ncbi.nlm.nih.gov/4561091/
ID  - 4561091
ER  -