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Sources
- Ellison, Craig. "Garmin Promises Lifetime Map Updates." PC Magazine. Jan. 7, 2009. (Feb. 2, 2009)http://www.pcmag.com/article2/0,2817,2337958,00.asp
- Garmin Web site. (Feb. 2, 2009)http://www.garmin.com/garmin/cms/site/us
- "How to Install Garmin's Map Update 2009: A Step-by-Step Guide." GPS Magazine. May 19, 2008. (Feb. 2, 2009)http://www.gpsmagazine.com/2008/05/how_to_install_garmins_map_upd_1.php
- Navteq Web site. (Feb. 2, 2009)http://www.navteq.com/
- Peters, Jeremy W. "Marching Digital Maps to America's Ever-Changing Roads." New York Times. July 9, 2006. (Feb. 2, 2009)http://www.nytimes.com/2006/07/09/automobiles/09GPS.html?_r=3&scp=10&sq=garmin+updates&st=nyt