@misc{indiciae1e98b45409b6, title = {Operant acceleration during a pre-reward stimulus.}, author = {W W Henton and J V Brady}, year = {1970}, doi = {10.1901/jeab.1970.13-205}, url = {https://pubmed.ncbi.nlm.nih.gov/16811437/}, note = {Source identifier: 16811437} }