TY  - RPRT
TI  - Experimental studies on a perceptual anomaly. I. Initial experiments.
AU  - M B SHAPIRO
PY  - 1951
DO  - 10.1192/bjp.97.406.90
UR  - https://pubmed.ncbi.nlm.nih.gov/14814417/
ID  - 14814417
ER  -