@InProceedings{sogaard:2009:NODALIDA,
  author    = {S{\o}gaard, Anders},
  title     = {A linear time extension of deterministic pushdown automata},
  booktitle = {Proceedings of the 17th Nordic Conference of Computational Linguistics (NODALIDA 2009)},
  month     = {May},
  year      = {2009},
  address   = {Odense, Denmark},
  publisher = {Northern European Association for Language Technology (NEALT)},
  pages     = {182--189},
  url       = {http://www.aclweb.org/anthology/W09-4626}
}