Bulletin de la Societe Chimique de France, , vol. 2, # 5-6 p. 161 - 166

Lamberts, Joseph J. M.; Cuppen, Theo J. H. M.; Laarhoven, Wim H.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1985 , p. 1819 - 1828

Vebrel, Joel; Carrie, Robert
Bulletin de la Societe Chimique de France, 1982 , vol. 2, # 5-6 p. 161 - 166

Lamberts, Joseph J. M.; Cuppen, Theo J. H. M.; Laarhoven, Wim H.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1985 , p. 1819 - 1828