MÖSSBAUER STUDY OF HYDROGEN DIFFUSION AND INTERSTITIAL SITE OCCUPANCY IN 57Co : PdHx AND 57Fe : PdHx F. Pröbst, F.E. Wagner, M. Karger et G. Wortmann J. Phys. Colloques, 40 C2 (1979) C2-635-C2-638 DOI: 10.1051/jphyscol:19792222