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From Citizendium, the Citizens' Compendium

This article is currently being developed as part of an Eduzendium student project. If you are not involved with this project, please refrain from collaboratively developing it until this notice is removed. Articles that lack this notice, including many Eduzendium ones, welcome your collaboration!

The writing of this article is in progress. It was assigned to me as part of a college course, so it should be completed and ready for editing by May of 2008. Please be patient while I research and gather information until then. Thanks.