@InProceedings{iruskieta-diazdeilarraza-lersundi:2014:Coling,
  author    = {Iruskieta, Mikel  and  D\'{i}az de Ilarraza, Arantza  and  Lersundi, Mikel},
  title     = {The annotation of the Central Unit in Rhetorical Structure Trees: A Key Step in Annotating Rhetorical Relations},
  booktitle = {Proceedings of COLING 2014, the 25th International Conference on Computational Linguistics: Technical Papers},
  month     = {August},
  year      = {2014},
  address   = {Dublin, Ireland},
  publisher = {Dublin City University and Association for Computational Linguistics},
  pages     = {466--475},
  url       = {http://www.aclweb.org/anthology/C14-1045}
}