THE ISOTOPE EFFECT BY ZINC DIFFUSION ALONG 43° [100] TILT GRAIN BOUNDARY IN Fe-5 at.% Si ALLOY L.S. SHVINDLERMAN, E.I. RABKIN, B.B. STRAUMAL, L. SIEGERT et R. VOIGTMAN J. Phys. Colloques, 51 C1 (1990) C1-635-C1-640 DOI: 10.1051/jphyscol:19901100