TY  - RPRT
TI  - Preference after training with differential changeover delays.
AU  - B Williams
AU  - M Bell
PY  - 1999
DO  - 10.1901/jeab.1999.71-45
UR  - https://pubmed.ncbi.nlm.nih.gov/16812891/
ID  - 16812891
ER  -