TY - GEN A1 - Geyer, Thomas A1 - Sarradj, Ennes A1 - Fritzsche, Christoph T1 - Silent Owl Flight: Comparative Acoustic Wind Tunnel Measurements on Prepared Wings T2 - Acta Acustica united with Acustica Y1 - 2014 UR - https://opus4.kobv.de/opus4-UBICO/frontdoor/index/index/docId/12341 SN - 1861-9959 VL - 99 IS - 1 SP - 139 EP - 153 ER -