@patent{rathi@20,
	author={Rathinavelu Chengalvarayan, et al},
	institution={{US8423362B2}},
	month={April},
	title={In-vehicle circumstantial speech recognition},
	url={http://www.research.att.com/export/sites/att_labs/people/Chengalvarayan_Rathinavelu/library/patents/US8423362B2.pdf},
	year=2013,
}