FREQUENCY DEPENDENCE OF SOUND ABSORPTION OF VITREOUS SILICA BETWEEN 10 MHz AND 35 GHz R. Vacher, J. Pelous, F. Plicque et A. Zarembowitch J. Phys. Colloques, 42 C5 (1981) C5-553-C5-556 DOI: 10.1051/jphyscol:1981584