1. Ultrasonic attenuation as a measure of void content in carbon-fibre reinforced plastics;Stone;Non-Destr Test,1975
2. Gagauz I, Kawashita LF, Hallett SR. Effect of voids on interlaminar behaviour of carbon/epoxy composites. ECCM 2016 – Proceeding 17th Eur Conf Compos Mater; 2016. p. 26–30.
3. Ultrasonic attenuation due to voids in fibre-reinforced plastics;Martin;NDT Int,1976
4. A review of NDE methods for porosity measurement in fibre-reinforced polymer composites;Birt;J Br Inst NDT,2004
5. Dominguez N. Method and device for the ultrasonic non-destructive checking of the porosity of a part made of composite material. WO 2009/130140 A1; 2009.