http://www.sciencedirect.com/science/article/pii/S1053811911006008
Not sure why there are downvotes, by the way.
I downvoted because it's (1) a link with no discussion, the kind of presentation I wish to discourage, and (2) link to an article behind a paywall.
http://www.sciencedirect.com/science/article/pii/S1053811911006008