User talk:Channard

Re: C

Uh, what edit/article is your message in reference to exactly? --Cybercobra (talk) 00:03, 27 September 2009 (UTC)

Welcome to Wikipedia. Everyone is welcome to contribute to the encyclopedia, but when you add or change content, as you did to the article CS gas, please cite a reliable source for your addition. This helps maintain our policy of verifiability. See Wikipedia:Citing sources for how to cite sources, and the welcome page to learn more about contributing to this encyclopedia. Thank you. Materialscientist (talk) 22:50, 27 November 2011 (UTC)