Cragg, John E.; Herbert, Richard B.; Jackson, Frederick B.; Moody, Christopher J.; Nicolson, Ian T.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1982 , # 10 p. 2477 - 2486
Herbert, Richard B.; Jackson, Frederick B.; Nicolson, Ian T.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1984 , # 4 p. 825 - 831