@conference{Bon-Gou-Haz-Pri-2009-1,
    author={Anne-Sophie Bonnet-BenDhia and Benjamin Goursaud and 
           Christophe Hazard and Andrés Prieto },
    title={A multimodal method for non-uniform open waveguides },
    publisher={International Congress on Ultrasonics, Santiago, Chile },
    year={2009 },
    month={1},
}