Parsec/External Links

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Revision as of 22:17, 22 January 2008 by imported>Bruno L'Astorina (New page: {{cite web|url=http://scienceworld.wolfram.com/astronomy/Parsec.html|title=Parsec|publisher=Scienceworld.wolfram.com|accessdate=2007-10-15}})
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Parsec. Scienceworld.wolfram.com. Retrieved on 2007-10-15.