Buss, Antony D; Greeves, Nicholas; Levin, Daniel; Wallace, Paul; Warren, Stuart
Tetrahedron Letters, 1984 , vol. 25, # 3 p. 357 - 360

Buss, Antony D.; Greeves, Nicholas; Mason, Ralph; Warren, Stuart
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1987 , p. 2569 - 2578