@misc{indiciaeb1b37f62d762, title = {Concurrent variable-interval variable-ratio schedules can provide only weak evidence for matching.}, author = {J M Ziriax and A Silberberg}, year = {1984}, doi = {10.1901/jeab.1984.41-83}, url = {https://pubmed.ncbi.nlm.nih.gov/16812360/}, note = {Source identifier: 16812360} }