LOW-FREQUENCY PHONON SPECTRUM PECULIARITIES OF Sn-Pb ALLOYS V.M.Pan, B.G.Nikitin, A.M.Korostil, V.V.Nemoshkalenko, V.P.Dovgopol, I.Ya.Dekhtyar, M.M. Nishchenko et Y.A. Taksey J. Phys. Colloques, 39 C6 (1978) C6-1037-C6-1038 DOI: 10.1051/jphyscol:19786458