Paper  bibtex   

@article{belhumeur_localizing_nodate,
	title = {Localizing {Parts} of {Faces} {Using} a {Consensus} of {Exemplars}},
	url = {http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.227.8441&rep=rep1&type=pdf},
	urldate = {2016-07-15TZ},
	author = {Belhumeur, Peter N. and Jacobs, David W. and Kriegman, David J. and Kumar, Neeraj},
	note = {00523}
}