Klippel Filho, S., Labres, H.S., Pacheco, F., Christ, R., Pires, J.R., Heissler, R.F. and Oliveira, M.F. 2017. Use of PET wool for sound absorption and sound insulation. Acoustics and Vibrations (Acústica e Vibrações). 32, 49 (Dec. 2017), 59–69. DOI:https://doi.org/10.55753/aev.v32e49.96.