TY  - RPRT
TI  - A system for recording individualized behavioral data in a token program.
AU  - M Macdonald
AU  - K Whitfield
PY  - 1973
DO  - 10.1901/jaba.1973.6-333
UR  - https://pubmed.ncbi.nlm.nih.gov/16795414/
ID  - 16795414
ER  -