1. Kataoka, M. and Kanamori, J., A theory of the cooperative Jahn-Teller effect-crystal distortions in Cu1 − x NixCr2O4 and Fe1 − x NixCr2O4, J. Phys. Soc. Jpn., 1972, vol. 32, no. 1, pp. 113–134.
2. Wold, A., Arnott, R.J., Whipple, E., and Goodenough, J.B., Crystallographic transitions in several chromium spinel systems, J. Appl. Phys., 1963, vol. 34, no. 4, pp. 1085–1086.
3. Ohtani, S., Watanabe, Y., Saito, M., Abe, N., Taniguchi, K., Sagayama, H., Arima, T., Watanabe, M., and Noda, Y., Orbital dilution effect in ferromagnetic Fe1 − x MnxCr2O4: Competition between anharmonic lattice potential and spinorbit coupling, J. Phys.: Condens. Matter, 2010, vol. 22, no. 17, p. 176003.
4. Landau, L.D., Sobranie trudov (A Collection of Works), Moscow: Nauka, 1969, vol. 1, pp. 234–252.
5. Landau, L.D. and Lifshitz, E.M., Teoreticheskaya fizika. Tom 5. Statisticheskaya fizika. Chast’ 1, Moscow: Nauka, 1976. Translated under the title Course of Theoretical Physics, Volume 5: Statistical Physics: Part 1, Oxford: Butterworth-Heinemann, 1980.