[1] Hefnawy A E G, Tórtora-Pérez J L. Small Ruminant Research, 2010, 89(2-3): 185.

[2] Hall I A, Harwell A M, Van Saun R L, et al. Animal Feed Science and Technology, 2011, 164(3-4): 184.

[3] Ip C, Thompson H J, Zhu Z, et al. Cancer Research, 2000, 60(11): 2882.

[4] Finley J W, Davis C P, Feng Y. Journal of Nutrition, 2000, 130: 2384.

[5] Rivero I A, Heredia S, Ochoa A. Synthetic Communications, 2001, 31(14): 2169.

[6] Hadjikostas C C, Katsoulos G A, Shakhatreh S K. Inorganica Chimica Acta, 1987, 133(1): 129.

[7] Criado J J, Fernandez I, Macias B, et al. Inorganica Chimica Acta, 1990, 174(1): 67.

[8] El-Said A I, Zidan A S A, El-Meligy M S, et al. Transition Metal Chemistry, 2001, 26(1-2): 13.

[9] Onoa B, Moreno V. Transition Metal. Chemistry, 1998, 23(4): 485.

[10] Crespilho F N, Lima F C A, Da Silva A, et al. Chemical Physics Letters, 2009, 469(1-3) : 186.

[11] Williams K M, Dudgeon R P, Chmely S C, et al. Inorganica Chimica Acta, 2011, 368: 187.