1. Bertini, I., Turano, P. and Vila, A. (1993) Nuclear Magnetic Resonance of Paramangetic Metalloproteins, Chem. Rev. 93, 2833–2932 and references therein.
2. La Mar, G.N., Horrocks, W.D. and Holm, R.H. (1973) NMR of Paramagnetic Molecules, Academic Press, New York.
3. Bertini, L and Luchinat, C. (1986) NMR of Paramagnetic Molecules in Biological Systems, The Benjamin/Cummings Publishing Company, Menlo Park.
4. Bertini, I. and Luchinat, C. (1984) High Spin cobalt(II) as a probe for the investigation of metalloproteins, in G.L. Eichorn and L.G. Marzilli (eds), Advances in Inorganic Biochemistry, Elsevier, New York, pp. 72–111.
5. Vallee, B.L. (1986) A Synopsis of Zinc Biology and Pathology, in I. Bertini, C. Luchinat, W. Maret and M. Zeppezauer (eds.), Zinc Enzymes, Birkhäuser, Boston, pp. 1–15.