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) 23:26, 19 April 2015 (UTC)[reply]

Anonymous users from this IP address have been blocked temporarily from editing for evading a previous block. If you would like to be unblocked, you may appeal this block by adding the text {{unblock|reason=Your reason here ~~~~}}, but you should read the guide to appealing blocks first. Black Kite (talk) 13:43, 20 April 2015 (UTC)[reply]

If this is a shared IP address, and you did not make the edits, consider creating an account for yourself so you can avoid further irrelevant notices.