High Frequency Permeability of Mn-Zn Ferrite and its Composite Materials T. Tsutaoka, T. Kasagi, T. Nakamura et K. HatakeyamaJ. Phys. IV France, 07 C1 (1997) C1-557-C1-558DOI: https://doi.org/10.1051/jp4:19971230