TY  - RPRT
TI  - Ratio versus difference comparators in choice.
AU  - J Gibbon
AU  - S Fairhurst
PY  - 1994
DO  - 10.1901/jeab.1994.62-409
UR  - https://pubmed.ncbi.nlm.nih.gov/7983462/
ID  - 7983462
ER  -