TY  - RPRT
TI  - Symmetry and discrimination learning.
AU  - J B Deregowski
AU  - D Ellis
PY  - 1974
DO  - 10.1016/0001-6918(74)90019-5
UR  - https://pubmed.ncbi.nlm.nih.gov/4833325/
ID  - 4833325
ER  -