@unpublished{Hammond2003Proposal,
  OPTkey =   {},
  author =   {Tracy Hammond},
  title =     {A Domain Description Language for Sketch Recognition},
  OPThowpublished ={},
  month =     {March, 19},
  year =     {2003},
  note =     {PhD Thesis Proposal, Massachusetts Institute of Technology,
                  to be published},
  OPTannote =    {}
}