A NOVEL LOW TEMPERATURE PREPARATION OF ULTRAFINE NICKEL-ZINC FERRITES AND THEIR MAGNETIC AND MÖSSBAUER CHARACTERIZATION T. Pannaparayil, R. Marande et S. KomarneniJ. Phys. Colloques, 49 C8 (1988) C8-947-C8-948DOI: https://doi.org/10.1051/jphyscol:19888432