@article {4646,
	title = {Spatial-frequency and orientation tuning in psychophysical end-stopping},
	journal = {Visual Neuroscience},
	year = {1998},
	pages = {585-595},
	doi = {10.1017/S0952523898154019},
	url = {http://www.ncbi.nlm.nih.gov/pubmed/9682863},
	author = {Cong Yu and Dennis M. Levi}
}
