Description of magnetic hardening in nanocrystalline FeZrBCu alloy using the Preisach model of hysteresis M. Lo Bue, V. Basso, C. Beatrice and P. Tiberto J. Phys. IV France, 08 PR2 (1998) Pr2-323-Pr2-326 DOI: 10.1051/jp4:1998275