@article {4661,
	title = {Using geometric moments to explain human letter recognition near the acuity limit},
	journal = {Journal of Vision},
	year = {2009},
	doi = {10.1167/9.1.26},
	url = {http://www.ncbi.nlm.nih.gov/pubmed/19271896},
	author = {Lei Liu and Stanley A. Klein and Feng Xue and Jun-Yun Zhang and Cong Yu}
}
