Prakash G K Surya, Ni Chuanfa, Wang Fang, Zhang Zhe, Haiges Ralf, 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. 2013 Oct 4;52(41):10835-9. doi: 10.1002/anie.201304395. Epub 2013 Aug 22.