ON THE RELATIVE EFFICIENCY OF COBALT IN THE LINEWIDTH REDUCTION OF MICROWAVE FERRITES S. K. BANERJEE, P. D. BABA, B. J. EVANS et S. S. HAFNER J. Phys. Colloques, 32 C1 (1971) C1-145-C1-147 DOI: 10.1051/jphyscol:1971147