TY  - RPRT
TI  - Conditional concept attainment as a function of if factor complexity and then factor complexity.
AU  - P R Laughlin
PY  - 1968
DO  - 10.1037/h0025797
UR  - https://pubmed.ncbi.nlm.nih.gov/5655112/
ID  - 5655112
ER  -