ELASTIC AND ANELASTIC EFFECTS ASSOCIATED WITH PRECIPITATION PHENOMENA IN NON STOICHIOMETRIC SPINELS D. Fargeot, C. Gault, F. Platon and P. Boch J. Phys. Colloques, 42 C5 (1981) C5-899-C5-904 DOI: 10.1051/jphyscol:19815138