1. (a) D.F. Shriver and P.W. Atkins, Inorganic Chemistry, 3rd edit., Oxford University Press, New York, 1999;
2. (b) F.A. Cotton, G. Wilkinson, C.A. Murillo and M. Bochmann, Advanced Inorganic Chemistry, 6th edit., Wiley, New York, 1999;
3. (c) J.A. Cowan Inorganic Biochemistry, 2nd edit., Wiley-VCH, New York, 1996;
4. (d) S.J. Lippard and J.M. Berg, Principles of Bioinorganic Chemistry, University Science Books, Mill Valley, 1994;
5. (e) J.E. Huheey, E.A. Keiter and R.L. Keiter, Inorganic Chemistry, 4th edit., Harper Collins, New York, 1993.