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2. G. Wilkinson (Ed.), Comprehensive Coordination Chemistry, Pergamon, Oxford, 1987.
3. The Chemistry of Ethers, Crown Ethers, Hydroxyl Groups and their Sulphur Analogues, Part 1;Vögtle,1980
4. G.A. Melson (Ed.), Coordination Chemistry of Macrocyclic Compounds, Plenum, New York, 1979.
5. Advanced Inorganic Chemistry: A Comprehensive Text;Cotton,1980