@inproceedings(2002-a-labelling-proposal-to-annotate-dialogues,
  author = {Carlos D.Martinez-Hinarejos and Emilio Sanchis Arnal and Fernando García Granada and Pablo Aibar},
  title = {A labelling proposal to annotate dialogues},
  year = {2002},
  booktitle = {International Conference on Language Resources and Evaluation (LREC)},
  address = {Las Palmas, España},
  pages = {1577-1582}
)