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Sources

• Childs, Craig. "Perfect Quiet." Miller-McCune. June 25, 2009. (July 20, 2009)http://www.miller-mccune.com/science_environment/perfect-quiet-1276
• Martinez, Al. "No grace, no civility, just anger." Los Angeles Times. July 9, 2004. (July 20, 2009) http://articles.latimes.com/2004/jul/09/entertainment/et-martinez9
• PsyBlog. "7 Myths of Crowd Psychology." (July 20, 2009)http://www.spring.org.uk/2008/08/7-myths-of-crowd-psychology.php
• Snopes.com. "Sudden Silences." (July 20, 2009)http://www.snopes.com/oldwives/silence.asp