COMPOSITIONAL DEPENDENCE OF Ms TEMPERATURES IN HIGH-PURITY IRON-CHROMIUM-NICKEL AUSTENITIC ALLOYS M. Harmelin, C. Dimitrov, M. Da Cunha Belo and O. Dimitrov J. Phys. Colloques, 43 C4 (1982) C4-467-C4-472 DOI: 10.1051/jphyscol:1982472