@article {4653,
	title = {Perceptual learning in contrast discrimination and the (minimal) role of context},
	journal = {Journal of Vision},
	year = {2004},
	pages = {169-182},
	doi = {10.1167/4.3.4},
	url = {http://www.ncbi.nlm.nih.gov/pubmed/15086307},
	author = {Cong Yu and Stanley A. Klein and Dennis M. Levi}
}
