参考文献

Matos, Robson M.; Gomes De Lima, Luiz Carlos; De Souza, Edward; Barcelos De Souza, Ana Lucia Americano; Gomes De Lima, Miriam Bernardes; Soares Raslan, Delio Phosphorus, Sulfur and Silicon and the Related Elements, 2002 , vol. 177, # 12 p. 2859 - 2870