@InProceedings {Adler2007Speech,
  author =       {Aaron Adler and Randall Davis},
  title =        {Speech and Sketching: An Empirical Study of Multimodal Interaction},
  booktitle =    {Fourth Eurographics Conference on Sketch Based Interfaces and Modeling},
  year =         {2007},
%  pages =        {},
%  publisher =    {},
  address =      {Riverside, California},
  month =        {August 2-3},
  OPTkeyword =   {multimodal},
%  OPTannote =	 {},
}