Turrell Peter J, Wright Joseph A, Peck Jamie N T, Oganesyan Vasily S, Pickett Christopher J
Energy Materials Laboratory, School of Chemistry, University of East Anglia, Norwich NR4 7TJ, UK.
Angew Chem Int Ed Engl. 2010 Oct 4;49(41):7508-11. doi: 10.1002/anie.201004189.