@misc{indiciaed1a39893ec21, title = {Behavioral contrast for key pecking as a function of component duration when only one component varies.}, author = {F K McSweeney and C L Melville}, year = {1993}, doi = {10.1901/jeab.1993.60-331}, url = {https://pubmed.ncbi.nlm.nih.gov/16812701/}, note = {Source identifier: 16812701} }