1. Schottenberger H., Griesser U. J., Jetti R. K. R., Laus G., Herber R. H. and Nowik I., J. Am. Chem. Soc. 127 (2005), 6795–6801.
2. Abragam A. and Bleany B., Electron Paramagnetic Resonance of Transition Ions, Clarendon Press, Oxford, 1970, pp. 560–561; Finn C. B. P., Orbach R. and Wolf W. P., Proc. Phys. Soc. 77 (1961), 267.
3. Collins R. L., J. Chem. Phys. 42 (1965), 1072–1080.
4. Wickman H. H. and Wertheim G. K. In: V. I. Gol'danskii and R. H. Herber (eds.), Chemical Applications of Mössbauer Spectroscopy, Chapter 11, Plenum Press, New York, 1968, pp. 548–621.
5. Hoy G. R. In: Long G. J. (ed.), Mössbauer Spectroscopy Applied to Inorganic Chemistry, Chapter 8, Plenum Press, New York, 1984, pp. 195–225.