Tuesday, December 8, 2009

bibliography

Anissimov, Michael. "How does a Telephone Work?"  Web. 8 Dec. 2009.
 http://www.wisegeek.com/how-does-a-telephone-work.htm
History of the telephone. Web. 8 Dec. 2009.
http://answers.yahoo.com/question/index?qid=20091110095049AAnh9mX


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