@inproceedings{Lun-Mer-2007,
    author={Eric Lunéville and Jean-François Mercier },
    title={Finite element simulation of time-harmonic aeroacoustics with 
           a generalized impedance boundary condition },
    organization={13th AIAA/CEAS Aeroacoustics Conference },
    booktitle={Proceeding of the 13th AIAA/CEAS Aeroacoustics Conference },
    year={2007 },
    month={5},
}