Banks, Ronald E.; Choudhury, Dilip R.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1981 , p. 1443 - 1447
Arfaei, Ahmad; Smith, Sydney
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1984 , # 8 p. 1791 - 1794