ELECTRON MICROSCOPY STUDIES OF DIFFUSION-INDUCED GRAIN BOUNDARY MIGRATION IN CERAMICS M. D. VAUDIN, C. A. HANDWERKER et J. E. BLENDELLJ. Phys. Colloques, 49 C5 (1988) C5-687-C5-692DOI: https://doi.org/10.1051/jphyscol:1988590