TY - JOUR AU - Soto, P.F. AU - Herráez, M. AU - González, A. AU - de Saja, J.A. PY - 1994 SN - 0142-9418 UR - https://uvadoc.uva.es/handle/10324/78014 AB - A comparative study of the acoustic impedance (Zo), ttle absorption coefficient (ct) and the reflection coefficient (R) of several thermoplastic porous compounds is presented. Seven closed cell crosslinked polyolefin foams and a carpet of... LA - spa TI - Acoustic impedance and absorption coefficient measurements of porous materials used in the automotive industry DO - 10.1016/0142-9418(94)90042-6 ER -