@InProceedings{19970522,
   author =    {M. Walker, D. Hindle, G. Di Fabbrizio, J. Fromer, and C. Mestel},
   title =     {An Evaluation of Mixed Initiative and System Initiative Dialogue Strategies in a Spoken Dialogue Email Agent},
   booktitle = {AT&T User Experience Symposium 1997},
   address =   {Holmdel, New Jersey, USA},
   month =     {May 22-23},
   year =      {1997}
}