參考文獻:
Mandler, Daniel Willner, Itamar Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999), 1986 , p. 805 - 812
參考文獻:
Clelland, James D. Thornalley, Paul J. Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1991 , # 12 p. 3009 - 3016