Check: WP:ACST for a list of articles with abstracts. There should be a few suitable.
Sorry, what does WP:ACST?
"The problem about Wikipedia is, that it just works in reality, not in theory."
BTW: I love that quote. Is it yours? I'll be using it a lot in the future!
---- Alain Désilets, National Research Council of Canada Chair, WikiSym 2007
2007 International Symposium on Wikis Wikis at Work in the World: Open, Organic, Participatory Media for the 21st Century