@misc{indiciaed0697a426a21, title = {Choice between response units: The rate constancy model.}, author = {M D Zeiler and T F Blakely}, year = {1983}, doi = {10.1901/jeab.1983.39-275}, url = {https://pubmed.ncbi.nlm.nih.gov/16812320/}, note = {Source identifier: 16812320} }