Deformation mechanisms of Σ = 9 bicrystals of silicon M. El Kajbaji, J. Thibault-Desseaux, M. Martinez-Hernandez, A. Jacques et A. George Rev. Phys. Appl. (Paris), 22 7 (1987) 569-577 DOI: 10.1051/rphysap:01987002207056900