User talk:Andune88

Welcome!

Hello, Andune88, and welcome to Wikipedia! Thank you for your contributions. I hope you like the place and decide to stay. Here are a few links to pages you might find helpful:

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Secondary sources

Hello, I'm DVdm. I noticed that you made a change to an article, Bell's spaceship paradox, but you didn't provide a reliable source. It's been removed and archived in the page history for now, but if you'd like to include a citation and re-add it, please do so! If you need guidance on referencing, please see the referencing for beginners tutorial, or if you think I made a mistake, you can leave me a message on my talk page. Please have a look at our policies regarding wp:primary sources, wp:secondary sources and wp:UNDUE, and while you're at it, at wp:BRD and wp:edit warring. Thank you. - DVdm (talk) 07:41, 18 April 2017 (UTC)[reply]