Barton, Derek H. R.; Crich, David; Loebberding, Antonius; Zard, Samir Z.
Journal of the Chemical Society, Chemical Communications, 1985 , # 10 p. 646 - 647
Cussans, Nigel J.; Ley, Steven V.; Barton, Derek H. R.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1980 , p. 1650 - 1653