@patent{rathi@21,
	author={Rathinavelu Chengalvarayan, et al},
	institution={{US8438028B2}},
	month={May},
	title={Nametag confusability determination},
	url={http://www.research.att.com/export/sites/att_labs/people/Chengalvarayan_Rathinavelu/library/patents/US8438028B2.pdf},
	year=2013,
}