参考文献
Zolfigol, Mohammad Ali; Poor-Baltork, Iraj Mohammad; Mirjalili, Bibi Fatemeh; Shirini, Farhad; Salehzadeh, Sadegh; Keypour, Hassan; Ghorbani-Choghamarani, Arash; Zebarjadian, Mohammad Hassan; Mohammadi, Kamal; Hazar, Azizeh
Phosphorus, Sulfur and Silicon and the Related Elements, 2003 , vol. 178, # 12 p. 2735 - 2743