Zimmer, Hans; Shabana, R.; Galal, A.; Mark, H. B.; Gronowitz, S.; Hoernfeldt, A. -B.
Phosphorus, Sulfur and Silicon and the Related Elements, 1989 , vol. 42, p. 171 - 176
Shabana, R.; Galai, A.; Mark, Harry B.; Zimmer, Hans; Gronowitz, Salo; Hoernfeldt, A. B.
Journal of the Chemical Society, Chemical Communications, 1988 , # 15 p. 988 - 989