[IEEE IEEE 1992 Ultrasonics Symposium Proceedings - Tucson, AZ, USA (20-23 Oct. 1992)] IEEE 1992 Ultrasonics Symposium Proceedings - Absorption and velocity dispersion of acoustic waves in polybutylacrylate films Brillouin scatteringFioretto, D.; Carlotti, G.; Socino, G.; Palmieri, L.; Verdini, L.; Caliendo, C.; Verona, E. · 1992