Manganese-Zinc-Ferrites with Improved Magnetic and Mechanical Properties H. Baumgartner, J. Dreikorn, R. Dreyer, L. Michalowsky, E. Pippel and J. Woltersdorfr J. Phys. IV France, 07 C1 (1997) C1-67-C1-68 DOI: 10.1051/jp4:1997114