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Ar
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Cite this article
"Ar." The Columbia Encyclopedia, 6th ed.. 2011. Encyclopedia.com. 25 May. 2012 <http://www.encyclopedia.com>. "Ar." The Columbia Encyclopedia, 6th ed.. 2011. Encyclopedia.com. (May 25, 2012). http://www.encyclopedia.com/doc/1E1-ArCity.html "Ar." The Columbia Encyclopedia, 6th ed.. 2011. Retrieved May 25, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1E1-ArCity.html |
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Ar
Ar • symb. the chemical element argon. |
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Cite this article
"Ar." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. 25 May. 2012 <http://www.encyclopedia.com>. "Ar." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. (May 25, 2012). http://www.encyclopedia.com/doc/1O999-ar005.html "Ar." The Oxford Pocket Dictionary of Current English. 2009. Retrieved May 25, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O999-ar005.html |
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