WASET
    Costa and  E.S. and  Borges and  E.N.M. and  Afonso and  M.M.,  Modeling and Numerical Simulation of Sound Radiation by the Boundary Element Method.   journal   = {International Journal of Physical and Mathematical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    March 2010, vol. 39(3). 342 - 346
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/9961.