@misc{indiciae4eb0859ed681, title = {Schedule-induced escape from fixed-interval reinforcement.}, author = {T G Brown and R K Flory}, year = {1972}, doi = {10.1901/jeab.1972.17-395}, url = {https://pubmed.ncbi.nlm.nih.gov/16811596/}, note = {Source identifier: 16811596} }