INFLUENCE OF COMPOSITION AND TECHNOLOGICAL FACTORS ON THE MAGNETIC PARAMETERS OF HIGH FREQUENCY NICKEL-ZINK FERRITES I. Iliev, I. Nedkov, V. Kojuharoff and N. Andreev J. Phys. Colloques, 49 C8 (1988) C8-943-C8-944 DOI: 10.1051/jphyscol:19888430