INFLUENCE OF HYDROGEN ON THE INTERFACE STRUCTURE AND PROPERTIES OF FATIGUED Al-Zn-Mg-BICRYSTALS W. WUNDERLICH, A. NIEGEL et H.J. GUDLADT J. Phys. Colloques, 51 C1 (1990) C1-709-C1-714 DOI: 10.1051/jphyscol:19901113