参考文献

Zolfigol, Mohammad Ali; Mohammadpoor-Baltork, Iraj; Habibi, Davood; Mirjalili, Bibi Fatemeh; Bamoniri, Abdolhamid Phosphorus, Sulfur and Silicon and the Related Elements, 2004 , vol. 179, # 11 p. 2189 - 2193