User talk:Nellyblue

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) 04:22, 21 April 2015 (UTC)

I noticed that you have posted comments in a language other than English. When on the English-language Wikipedia, please always use English, no matter to whom you address your comments. This is so that comments may be comprehensible to the community at large. If the use of another language is unavoidable, please provide a translation of the comments. For more details, see Wikipedia:Talk page guidelines. Thank you. Materialscientist (talk) 04:22, 21 April 2015 (UTC)