MANDEL'STAM-BRILLOUIN LIGHT SCATTERING AND SOUND VELOCITY DISPERSION IN CRITICAL MIXTURES I. M. AREF'EV et I. L. FABELINSKIIJ. Phys. Colloques, 33 C1 (1972) C1-131-C1-134DOI: https://doi.org/10.1051/jphyscol:1972123