Lecheler, A.A.LechelerBabuke, G.G.BabukeBrandstätt, P.P.BrandstättEckoldt, D.D.Eckoldt2022-03-102022-03-102004https://publica.fraunhofer.de/handle/publica/346249en624690Noise reduction and anechoic linings in aeroacoustic wind tunnelsconference paper