@InProceedings{20050318,
   author =    {Charles Lewis and Giuseppe Di Fabbrizio},
   title =     {A Clarification Algorithm for Spoken Dialogue Systems},
   booktitle = {2005 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP)},
   address =   {Philadelphia, PA, USA},
   month =     {March 18-23},
   year =      {2005}
}