User talk:Ousep

Hello, I'm Materialscientist. I noticed that you made a change to an article, but you didn't provide a reliable source. It's been removed for now, but if you'd like to include a citation 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. Thank you. Materialscientist (talk) 07:07, 12 December 2012 (UTC)

Hello, I'm Materialscientist. I noticed that you recently removed some content without explaining why. In the future, it would be helpful to others if you described your changes to Wikipedia with an edit summary. If this was a mistake, don't worry, I restored the removed content. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks! Materialscientist (talk) 07:07, 12 December 2012 (UTC)

Please do not add or change content without verifying it by citing a reliable source. Please review the guidelines at Citing sources and take this opportunity to add references to the article. Thank you. Materialscientist (talk) 03:15, 19 May 2013 (UTC)

Please stop adding unsourced content. This contravenes Wikipedia's policy on verifiability. If you continue to do so, you may be blocked from editing Wikipedia. Materialscientist (talk) 03:29, 19 May 2013 (UTC)