@InProceedings{przepiorkowski-lenart:2012:LAWVI,
  author    = {Przepi\'{o}rkowski, Adam  and  Lenart, Micha{\l}},
  title     = {Simultaneous error detection at two levels of syntactic annotation},
  booktitle = {Proceedings of the Sixth Linguistic Annotation Workshop},
  month     = {July},
  year      = {2012},
  address   = {Jeju, Republic of Korea},
  publisher = {Association for Computational Linguistics},
  pages     = {118--123},
  url       = {http://www.aclweb.org/anthology/W12-3615}
}