User talk:Aquarius Philosophicus

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August 2013
Hello, I'm DVdm. I noticed that you made a change to an article, Twin paradox, but you didn't provide a source. I’ve removed it for now, but if you’d like to include a citation to a reliable source and re-add it, please do so! If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks. DVdm (talk) 15:19, 11 August 2013 (UTC)


 * Note — The source http://ordr.org/relativity.php is not a reliable source. See Identifying reliable sources - DVdm (talk) 15:23, 11 August 2013 (UTC)