> googling is the first thing I've done, of course.
That conclusion could not be made from your original post.
> I'd like to know if someone knows a paper that thinks is
> very worth reading.....
Did you try feeding Google extra parameters like "filetype:pdf" to search for papers (pdf's)?
http://www.google.co.uk/search?hl=en&q=GC+algorithms+filetype%3Aps+OR+filetype%3Apdf&btnG=Search&meta=