1. R.B. Martin, in: H. Sigel (Ed.), Metal Ions in Biological Systems, vol. 9, Marcel Dekker, New York, 1979, Ch. 1, p. 1.
2. L.D. Pettit, J.E. Gregor, H. Kozlowski, in: R.W. Hay, J.R. Dilworth, K.B. Nolan (Eds.), Perspectives in Bioinorganic Chemistry, vol. 1, JAI Press, London, 1991, p. 1.
3. J. Reedijk, in: G. Wilkinson, R.D. Gillard, J.A. McCleverty (Eds.), Comprehensive Coordination Chemistry, vol. 2, Pergamon, Oxford, 1987, Ch. 13.2, p. 73.
4. Luminescence behavior of copper(I)-imidazole complexes. A spectroscopic model for the carbonyl derivative of hemocyanin
5. Synthesis, structure, and spectroscopic properties of an unusual copper(I) dimer having imidazole ligands. A model for the carbonyl derivative of hemocyanin and implications for the structure of deoxyhemocyanin