Dodsworth, David J.; Pia-Calcagno, Maria; Ehrmann, E. Ursula; Quesada, Andres M.; Nunez S., Oswaldo; Sammes, Peter G.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1983 , # 7 p. 1453 - 1458