Bulpin, Andrew; Roy-Gourvennec, Sylvie Le; Masson, Serge
Phosphorus, Sulfur and Silicon and the Related Elements, 1994 , vol. 89, # 1-4 p. 119 - 132

Bulpin, Andrew; Masson, Serge; Sene, Aboubacary
Tetrahedron Letters, 1989 , vol. 30, # 26 p. 3415 - 3418