1. Acoustic characterization of natural fibers for sound absorption applications
2. Predicting the sound absorption of natural materials: Best-fit inverse laws for the acoustic impedance and the propagation constant
3. G. Iannace, U. Berardi. Characterization of natural fibers for sound absorption. 22nd International Congress on Sound and Vibration, ICSV 2015; Florence; Italy (2015) Code 121474
4. U. Berardi, G. Iannace, Determination through an inverse method of the acoustic impedance and the propagation constant for some natural fibers. 44th International Congress and Exposition on Noise Control Engineering, INTER-NOISE 2015; San Francisco; 9 - 12 August 2015; Code 114294
5. ISO 10534-2, Acoustics - Determination of Sound Absorption Coefficient and Impedance in Impedance Tubes - Part 2: Transfer-function Method, 1998