User talk:74.14.49.9

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 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. Thank you. Materialscientist (talk) 00:45, 5 September 2017 (UTC)

Please do not add unreferenced or poorly referenced information, especially if controversial, to articles or any other page on Wikipedia about living (or recently deceased) persons. Thank you. Materialscientist (talk) 09:37, 24 September 2017 (UTC)