@patent{rathi@12,
	author={Rathinavelu Chengalvarayan, et al},
	institution={{US7729911}},
	month={June},
	title={Speech recognition method and system},
	url={http://www.research.att.com/export/sites/att_labs/people/Chengalvarayan_Rathinavelu/library/patents/US7729911.pdf},
	year=2010,
}