INTERACTIONS BETWEEN DISLOCATIONS AND CRYSTALLINE DEFECTS DURING THE CYCLIC DEFORMATION OF A 0.7 Wt% Al-Li ALLOY J.M. GENTZBITTEL, C. ESNOUF et R. FOUGERES J. Phys. Colloques, 48 C3 (1987) C3-721-C3-727 DOI: 10.1051/jphyscol:1987384