QUENCH ECHOES IN LENNARD-JONES AND RUBIDIUM FROZEN FLUIDS--TEMPERATURE DEPENDENCE OF THE ANHARMONIC BEHAVIOR G.S. Grest, S.R. Nagel et A. Rahman J. Phys. Colloques, 41 C8 (1980) C8-293-C8-296 DOI: 10.1051/jphyscol:1980874