1. Winkelmann G (1997) Coordination-chemical aspects of metal transport, metal selectivity and metal storage. In: Trautwein AX (ed) Bioinorganic chemistry: transition metals in biology and their coordination chemistry. Wiley–VCH, Weinheim, pp 3–4
2. Kaim W, Schwederski B (1991) Biological functions of inorganic elements. In: Gerd Meyer AN (ed) Bioinorganic chemistry: inorganic elements in the chemistry of life. Wiley, Chichester, p 15
3. Muller AK, Köckerling M, Henkel G (1997) X-ray absorption spectroscopic studies on the nickel centre of the soluble Ni-Fe hydrogenase from alcaligenes eutrophus: first evidence for ligand exchange from the active site within the catalytic cycle. In: Trautwein AX (ed) Bioinorganic chemistry: transition metals in biology and their coordination chemistry Wiley-VCH, Weinheim, pp 234–243
4. Follmann H, Claus B, Griepenburg U, Stallman D (1997) The diversity of metal requirements in ribonucleotide reduction. In search of new enzymes. In: Trautwein AX (ed) Bioinorganic chemistry: transition metals in biology and their coordination chemistry. Wiley-VCH, Weinheim pp 204–216
5. Eide E (1997) The molecular biology of iron and zinc uptake in saccharomyces cerevisiae. In: Silver S, Walden W (eds) Metal ions in gene regulation. International Thomson Publishing, New York, pp 342–371