A Comparative Sound Intensity Method for Measuring the Increase in Sound Insulation of Small Acoustic Metamaterial Samples. - Agata, Polaczek; Katarzyna, Baruch-Mazur; Bartłomiej, Ziarko; Mirosława, Lewińska-Maresca; Dorota, Młynarczyk; Katarzyna, Dusza (Sensors (14248220), 2026)