MAGNETIC PROPERTIES OF NICKEL-COPPER AND NICKEL-COBALT ALLOYS D. C. Jiles, T. T. Chang, D. R. Hougen and R. Ranjan J. Phys. Colloques, 49 C8 (1988) C8-1937-C8-1938 DOI: 10.1051/jphyscol:19888876