Badida, Miroslav, Lumnitzer, Ervin, Kralikova, Ruzena, Bartko, Ladislav, Hricova, Beata, Dzuro, Tibor. "RESEARCH OF SELECTED ACOUSTIC DESCRIPTORS OF THRE-LAYER SANDWICH ABSORBERS." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2012 12th International Multidisciplinary Scientific GeoConference, 2012, pp. 699 - 706 pp. https://doi.org/10.5593/sgem2012/s20.v5094