@inproceedings{HirschmannDoolittleLuedeling2009,
  author    = {Hagen Hirschmann and Seanna Doolittle and Anke L{\"u}deling},
  title     = {Syntactic annotation of non-canonical linguistic structures},
  url       = {http://www.linguistik.hu-berlin.de/institut/professuren/korpuslinguistik/mitarbeiter-innen/anke/pdf/HirschmannDoolittleLuedelingCL2007.pdf},
  year      = {2009},
}