Verwey-type transition in V. Ksenofontov, Hem C. Kandpal, J. Ensling, M. Waldeck, D. Johrendt, A. Mewis, P. Gütlich and C. FelserEurophys. Lett., 74 4 (2006) 672-678DOI: https://doi.org/10.1209/epl/i2005-10563-6