@patent{rathi@23,
	author={Rathinavelu Chengalvarayan, et al},
	institution={{US8532674B2}},
	month={September},
	title={Method of intelligent vehicle dialing},
	url={http://www.research.att.com/export/sites/att_labs/people/Chengalvarayan_Rathinavelu/library/patents/US8532674B2.pdf},
	year=2013,
}