http://www.nhtsa.dot.gov/cars/testing/tirerate/
http://home.xnet.com/~nite/articles/art-tires.html
http://www.drifesaferamerica.com/
http://www.frwebgate.access.gpo.gov/cgi-bin/get-ctr.cgi
http://www.cars.about.com/autos/cars/es/tires/index.htm
http://www.herauto.com/articles/tires.asp?shopid.3015
http://www.mirror.bridgestone-firestone.com
http://www.kelly-springfield.com
http://www.norsemeter.no/reports.htm
http://www.jari.or.jp/en/act/act2/actives-e.html
http://www.sites.netscape.net/gostryer/prohibition/friction.html
http://www.tmn.com/tisc/cold.html
http://www.dot.state.fl.us/statema...n/friction/friction-evaluation.htm
http://www-lag.ensieg.inpg.fr/recherece/cser/canudas/friction.htm
Sears Product Guide November 1, 2000 - December 31, 2000.