TY  - RPRT
TI  - Positive and negative information in matching problems.
AU  - M DONALDSON
PY  - 1959
DO  - 10.1111/j.2044-8295.1959.tb00702.x
UR  - https://pubmed.ncbi.nlm.nih.gov/13817478/
ID  - 13817478
ER  -