TY - JOUR T1 - Influence of strong anharmonicity on the dynamical properties of a crystal with BCC lattice JO - Brazilian Journal of Physics A1 - Rodrigues, C. G. A1 - Pascual, M. F. A1 - Zubov, V. I. SN - 0103-9733 UL - 10.1590/S0103-97331999000300009 VL - 29 Y1 - 1999 PB - Brasil ER -