THEORY OF SURFACE VIBRATIONS IN SUPERLATTICES B. Djafari-Rouhani, L. Dobrzynski, O. Hardouin Duparc, R.E. Camley and A.A. Maradudin J. Phys. Colloques, 45 C5 (1984) C5-151-C5-155 DOI: 10.1051/jphyscol:1984522
