Dillen, Jan L. M.; Meth-Cohn, Otto; Vuuren, Gerda van
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1987 , p. 2659 - 2662
Meth-Cohn, Otto; Vuuren, Gerda van
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1986 , p. 233 - 244