MECHANICAL RELAXATION OF SUBSTITUTIONAL-INTERSTITIAL (TETRAHEDRAL) ATOM COMPLEXES IN THE bcc LATTICE M. Koiwa, S. Ishioka, G. Cannelli et R. Cantelli J. Phys. Colloques, 42 C5 (1981) C5-787-C5-792 DOI: 10.1051/jphyscol:19815122