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2. Dictionary of Inorganic Compounds, ed. J. E. MacIntyre, Chapman and Hall, London, 1992, vol. 3, p. 3277.
3. Crystal structure determination by powder neutron diffraction at the spallation neutron source, ISIS
4. J. Barrett , G. I.Karavaiko, M. N.Hughes and P. A.Spencer, Metal Extraction by Bacterial Oxidation of Minerals, Ellis Horwood Chichester, 1993, p. 91.
5. J. Barrett , G. I.Karavaiko, M. N.Hughes and P. A.Spencer, Metal Extraction by Bacterial Oxidation of Minerals, Ellis Horwood Chichester, 1993, p. 154.