TY  - RPRT
TI  - Preferences for fixed and variable food sources: variability in amount and delay.
AU  - M Bateson
AU  - A Kacelnik
PY  - 1995
DO  - 10.1901/jeab.1995.63-313
UR  - https://pubmed.ncbi.nlm.nih.gov/7751835/
ID  - 7751835
ER  -