TY  - RPRT
TI  - Discrimination learning performance under different first-trial procedures.
AU  - A J RIOPELLE
AU  - E W FRANCISCO
PY  - 1955
DO  - 10.1037/h0049184
UR  - https://pubmed.ncbi.nlm.nih.gov/14367577/
ID  - 14367577
ER  -