1. Lee JD (1997) Concise inorganic chemistry. General properties of elements, 5th edn. Blackwell Science Ltd. Oxford, London
2. Greenwood NN, Earnshaw A (1994) Chemistry of the elements. Chemical periodicity and the periodic table, 2nd edn. Butterworth-Heinemann
3. Huheey JE, Keiter EA, Keiter RL (1973) Inorganic chemistry, principles of structure and reactivity. The structure of the atom, 4th edn. HarperCollins College Publishers
4. Tsukahara K, Okada M, Asami S, Nishikawa Y, Sawai N, Sakurai T (1994) Photoinduced electron-transfer reactions of zinc and magnesium myoglobins. Coord Chem Rev 132:223
5. Weaver MJ (1992) Dynamical solvent effects on activated electron-transfer reactions: principles, pitfalls, and progress. Chem Rev 92:463