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Bibliography

ONLINE SOURCES
 
Centers for Disease Control. “What are the leading causes of TBI?” Reviewed: December 9, 2010. http://www.cdc.gov/traumaticbraininjury/causes.html
 
Cox, Matthew, and Lamothe, Dan. “Army’s New Plastic Helmet Tops Kevlar ACH.” ArmyTimes.com. September 1, 2009. Reviewed: November 14, 2010. http://www.armytimes.com/news//2009/08/army_helmets_083109w/
 
Coxworth, Ben. “HEADS Generation II helmet sensor unveilied.” Gizmag.com July 30, 2010. Reviewed: December 6, 2010. http://www.gizmag.com/heads-generation-ii-helmet-sensor/15898
 
Coxworth, Ben. “Lazer Super Skin helmet might just save your life.” Gizmag.com February 28, 2010. Reviewed: December 6, 2010. http://www.gizmag.com/lazer-superskin-helmet/14345
 
Discovery Company. Howstuffworks: “Space Suit Capabilities.” Reviewed: November 14, 2010. http://science.howstuffworks.com/space-suit1.htm
 
Elno Company. Electric Acoustic Active Noise Reduction Helmet. Reviewed: November 14, 2010. http://www.elno.fr/Defense/tank_helmet.htm
 
Friedman, Johan. “Lacrosse Helmet – The Importance of Choosing the Best.”Ezine@rticles. Reviewed: November 10, 2010. http://ezinearticles.com/?Lacrosse-Helmet---The-Importance-of-Choosing-the-Best&id=518069
 
Greek helmets, Roman helmets, and Viking helmets. Ancient Weapons and Armory. Ancient-weapons.com. Reviewed: Nov. 21, 2010. http://www.ancient-weapons.com/helmets.html