TY - CONF A1 - Geyer, Thomas A1 - Sarradj, Ennes A1 - Fritzsche, Christoph T1 - Silent owl flight: experiments in the aeroacoustic wind tunnel Y1 - 2011 UR - https://opus4.kobv.de/opus4-UBICO/frontdoor/index/index/docId/5613 ER -