TY  - RPRT
TI  - Reinforcing staying and switching while using a changeover delay.
AU  - James S MacDonall
PY  - 2003
DO  - 10.1901/jeab.2003.79-219
UR  - https://pubmed.ncbi.nlm.nih.gov/12822688/
ID  - 12822688
ER  -