Sources for Texting / Writing Construct

*Naomi Baron, “Instant Messaging and the Future of Language.”

(Communications of the ACM 2005). Research demonstrates that computer-mediated communication such as SMS texting and IM chatting is not the death of good language and formal writing.

*Crispin Thurlow & Alex Brown, “Generation Txt?: The Sociolinguistics of Young People’s Text Messaging.” (Discourse Analysis Online 2003). In-depth discourse analysis of a corpus of text-messaging, finding that ultimately SMS is not radically different from other forms of communication.

You'll have to plug these titles into ArticlesPlus and see if you can find them but they look like excellent sources.