TY  - RPRT
TI  - Stimulus generalization and equivalence classes: a model for natural categories.
AU  - L Fields
AU  - K F Reeve
AU  - B J Adams
AU  - T Verhave
PY  - 1991
DO  - 10.1901/jeab.1991.55-305
UR  - https://pubmed.ncbi.nlm.nih.gov/2066703/
ID  - 2066703
ER  -