TY  - RPRT
TI  - Within-session Changes In Responding During Concurrent Variable-interval Schedules.
AU  - F McSweeney
AU  - J Weatherly
AU  - S Swindell
PY  - 1996
DO  - 10.1901/jeab.1996.66-75
UR  - https://pubmed.ncbi.nlm.nih.gov/16812819/
ID  - 16812819
ER  -