Prakash G K Surya, Chacko Sujith, Alconcel Steevens, Stewart Timothy, Mathew Thomas, Olah George A
Loker Hydrocarbon Research Institute and Department of Chemistry, University of Southern California, University Park, Los Angeles, CA 90089-1661, USA.
Angew Chem Int Ed Engl. 2007;46(26):4933-6. doi: 10.1002/anie.200700834.