Tom P. J. Dunkley, Svenja Hester, Ian P. Shadforth, John Runions, Thilo Weimar, Sally L. Hanton, Julian L. Griffin, Conrad Bessant, Federica Brandizzi, Chris Hawes, Rod B. Watson, Paul Dupree, Kathryn S. Lilley
Proc Natl Acad Sci U S A. 2006 Apr 25; 103(17): 6518–6523. Published online 2006 Apr 17. doi: 10.1073/pnas.0506958103