MÖSSBAUER SPECTROSCOPIC STUDIES OF MAGNETIC PROPERTIES OF ULTRA-THIN FERROMAGNETIC FILMS S. W. Duncan, R. J. Semper, A. H. Owens et J. C. WalkerJ. Phys. Colloques, 41 C1 (1980) C1-213-C1-214DOI: https://doi.org/10.1051/jphyscol:1980167