INTRODUCTORY REPORT : "The interactions between dislocations and defects in oxides" M.G. Blanchin, J. Castaing, G. Fontaine, A.H. Heuer, L.W. Hobbs et T.E. Mitchell J. Phys. Colloques, 42 C3 (1981) C3-1-C3-11 DOI: 10.1051/jphyscol:1981301