Saywell Alex, Sprafke Johannes K, Esdaile Louisa J, Britton Andrew J, Rienzo Anna, Anderson Harry L, O'Shea James N, Beton Peter H
School of Physics & Astronomy, University of Nottingham, Nottingham, NG7 2RD UK.
Angew Chem Int Ed Engl. 2010 Nov 22;49(48):9136-9. doi: 10.1002/anie.201004896.