参考文献

Simao, Dulce; Alves, Helena; Belo, Dulce; Rabaca, Sandra; Lopes, Elsa Branco; Santos, Isabel Cordeiro; Gama, Vasco; Duarte, Maria Teresa; Henriques, Rui Teives; Novais, Horacio; Almeida, Manuel European Journal of Inorganic Chemistry, 2001 , # 12 p. 3119 - 3126