Plastic deformation of MgO : n Al2O3 spinels at temperatures below 1000 °C (0.5 Tm) P. Veyssière, S. H. Kirby et J. RabierJ. Phys. Colloques, 41 C6 (1980) C6-175-C6-178DOI: https://doi.org/10.1051/jphyscol:1980645