@misc{indiciae5a937bb67f53, title = {"Turning back the clock" on serial-stimulus sign tracking.}, author = {R W Allan and T J Matthews}, year = {1991}, doi = {10.1901/jeab.1991.56-427}, url = {https://pubmed.ncbi.nlm.nih.gov/1774537/}, note = {Source identifier: 1774537} }