Numerical investigation into acoustic wave propagation in felt-type material with band gap and negative group velocityVuin, Maria Miranda; Kartofelev, Dmitri; Salupere, Andrus; Simson, PäivoWave motion2025 / art. 103600, 10 p. : ill https://doi.org/10.1016/j.wavemoti.2025.103600 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS