Environmental Design & Construction (EDC), May 2014, by Richard Scott and Donald B. Snell. (Requires free registration to view full-text.)
http://www.edcmag.com/articles/95601-air-barriers-expectations-vs-reality?v=preview

"Air barriers are expected to be beneficial to owners of green buildings, but improper specification and installation can cause problems." Includes a chart that compares air barrier standards.