MacCorquodale, Finlay; Walton, John C.; Hughes, Lise; Ingold, Keith U.
Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999), 1991 , # 12 p. 1893 - 1900

Ehrler, Juerg; Seebach, Dieter
Liebigs Annalen der Chemie, 1990 , # 4 p. 379 - 388

MacCorquodale, Finlay; Walton, John C.; Hughes, Lise; Ingold, Keith U.
Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999), 1991 , # 12 p. 1893 - 1900