@InProceedings{BASeSo-DAS08-pdf,
  author =       {Josef Baker and Alan P. Sexton and Volker Sorge},
  title =        {Extracting Precise Data from PDF Documents for Mathematical
                  Formula Recognition},
  booktitle =    {8th IAPR International Workshop on Document Analysis Systems
                  (DAS)},
  year =         2008,
  address =      {Nara, Japan},
  month =        {September 16--19},
  note =         {Extended Abstract},
}