Maier, Ludwig; Diel, Peter J.
Phosphorus, Sulfur and Silicon and Related Elements, 1996 , vol. 115, p. 273 - 300

Shintou, Taichi; Kikuchi, Wataru; Mukaiyama, Teruaki
Bulletin of the Chemical Society of Japan, 2003 , vol. 76, # 8 p. 1645 - 1667