TY  - RPRT
TI  - Perceptual learning; differentiation or enrichment?
AU  - J J GIBSON
AU  - E J GIBSON
PY  - 1955
DO  - 10.1037/h0048826
UR  - https://pubmed.ncbi.nlm.nih.gov/14357525/
ID  - 14357525
ER  -