@patent{rathi@7,
	author={Rathinavelu Chengalvarayan, et al},
	institution={{US6983244}},
	month={January},
	title={Method and apparatus for improved speech recognition with supplementary information},
	url={http://www.research.att.com/export/sites/att_labs/people/Chengalvarayan_Rathinavelu/library/patents/US6983244.pdf},
	year=2006,
}