TY  - RPRT
TI  - Choice as time allocation.
AU  - W M Baum
AU  - H C Rachlin
PY  - 1969
DO  - 10.1901/jeab.1969.12-861
UR  - https://pubmed.ncbi.nlm.nih.gov/16811415/
ID  - 16811415
ER  -