TY  - RPRT
TI  - Free classification: element-level and subgroup-level similarity.
AU  - S Handel
AU  - J W Rhodes
PY  - 1980
DO  - 10.3758/bf03204381
UR  - https://pubmed.ncbi.nlm.nih.gov/7433003/
ID  - 7433003
ER  -