Greig, Derek J.; McPherson, Michael; Paton, Michael R.; Crosby, John
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1985 , p. 1205 - 1208
Wai, Kwok-Fai; Sammes, Michael P.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1991 , # 1 p. 183 - 187