Some of the Magnetic Properties of Polycrystalline Soft Ferrites : Origins and Developments of a Model for the Description of the Quasistatic Magnetization M. Le Floc'h et A. M. KonnJ. Phys. IV France, 07 C1 (1997) C1-187-C1-190DOI: https://doi.org/10.1051/jp4:1997169