@InProceedings{dras-cassidy:2005:ALTA2005,
  author    = {Dras, Mark  and  Cassidy, Steve},
  title     = {Formal Grammars for Linguistic Treebank Queries},
  booktitle = {Proceedings of the Australasian Language Technology Workshop 2005},
  month     = {December},
  year      = {2005},
  address   = {Sydney, Australia},
  pages     = {96--104},
  url       = {www.alta.asn.au/events/altw2005/ALTA2005/pdf/15.pdf}
}