@article {4652,
	title = {Cross- and Iso- oriented surrounds modulate the contrast response function: The effect of surround contrast},
	journal = {Journal of Vision},
	year = {2003},
	pages = {527-540},
	doi = {10.1167/3.8.1},
	url = {http://www.ncbi.nlm.nih.gov/pubmed/14632605},
	author = {C. Yu and Stanley A. Klein and Dennis M. Levi}
}
