1. A review of the attenuation of sound in straight lined and unlined ductwork of rectangular cross section;VÉR;American Society of Heating, Refrigerating and Air Conditioning Engineers Transactions,1978
2. Fundamentals of Acoustics;KINSLER,1982
3. Sound Absorbing Materials;ZWIKKER,1949
4. Acoustical properties of homogeneous, isotropic rigid tiles and flexible blankets;BERANEK;Journal of the Acoustical Society of America,1947
5. Sound transmission through multi-panel structures lined with elastic porous materials;BOLTON;Journal of Sound and Vibration,1996