1. Do locally reacting acoustic liners always behave as they should;Zandbergen;AIAA J.,1980
2. Multiple frequency optimization of coupled Helmholtz resonators for improved acoustic nacelle liners for turbofan engines;Tagg,1981
3. The influence of drainage slots on locally reacting acoustic liners;Eaton,1999
4. The influence of aircraft nacelle acoustic panel drainage slots on duct attenuation;Murray,2007
5. Acoustic investigation of a specially manufactured non-locally reacting liner for aircraft application;Busse-Gerstengarbe,2010