TY  - RPRT
TI  - Performance On Concurrent Variable-interval Extinction Schedules.
AU  - M Davison
AU  - B Jones
PY  - 1998
DO  - 10.1901/jeab.1998.69-49
UR  - https://pubmed.ncbi.nlm.nih.gov/16812869/
ID  - 16812869
ER  -