FREQUENCY CROSSING IN BICRYSTALS AND INELASTIC SCATTERING AT SURFACES L. J. Challis, A. A. Ghazi et M. N. WybourneJ. Phys. Colloques, 42 C6 (1981) C6-229-C6-231DOI: https://doi.org/10.1051/jphyscol:1981665
