Abdou, Wafaa M.; El-Rahman, Naglaa M. A.; Ganoub, Neven A. F., Phosphorus, Sulfur and Silicon and the Related Elements, 1991, vol. 61, # 3.4, p. 283 - 288
Abdou, Wafaa M.; El-Rahman, Naglaa M. A.; Ganoub, Neven A. F., Phosphorus, Sulfur and Silicon and the Related Elements, 1991, vol. 61, # 3.4, p. 283 - 288